All 335 actors in both ER and The X-Files
335 actors have appeared in both ER and The X-Files, across 549 episodes. The most-credited is Abraham Benrubi, Jerry Markovic in ER and Big Mike in The X-Files.
| Actor | In ER | In The X-Files | Eps | Eps |
|---|---|---|---|---|
| Abraham Benrubi | Jerry Markovic | Big Mike | 137 | 1 |
| John Aylward | Dr. Donald Anspaugh | Dr. John Rietz | 74 | 1 |
| Mitch Pileggi | Terry Waters | Assistant Director Walter Skinner | 1 | 70 |
| Leland Orser | Dr. Lucien Dubenko | Jason Ludwig | 61 | 1 |
| Paul McCrane | Dr. Robert Romano | Leonard Betts | 30 | 1 |
| CCH Pounder | Dr. Angela Hicks | Agent Lucy Kazdin | 24 | 1 |
| Donal Logue | Flight Nurse Chuck Martin | Agent Tom Colton | 11 | 1 |
| Sam Anderson | Dr. Jack Kayson | U.S. Attorney Leamus | 19 | 1 |
| Penny Johnson Jerald | Nurse Practitioner Lynette Evans | Dr. Hellura Lyle | 9 | 1 |
| Edward Asner | Dr. James McNulty | Maurice | 3 | 1 |
| Ed Lauter | Fire Captain Dannaker | Colonel Marcus Aurelius Belt | 6 | 1 |
| Michael B. Silver | Dr. Paul Myers | Howard Grodin | 12 | 2 |
| Bradley Whitford | Sean O'Brien | Dr. Daniel Trepkos | 2 | 1 |
| Garret Dillahunt | Steve Curtis | Edward Skur | 5 | 1 |
| Vernée Watson | April Wilson | Nurse Whitney Edwards | 2 | 1 |
| Brendan Patrick Connor | Paramedic Reidy | Sheriff Mac Stenzler | 13 | 1 |
| Matthew Glave | Dr. Dale Edson | FBI Prosecutor Kalembrenner | 15 | 2 |
| Aaron Paul | Doug | Winky | 1 | 1 |
| Arye Gross | Kevin | Dr. Puvogel | 1 | 1 |
| Brent Hinkley | Fred Hopper | Brother Andrew | 1 | 1 |
| Bruce Weitz | Alderman John Bright | Agent Moe Bocks | 3 | 1 |
| Cec Verrell | Mrs. Casey | Lula Phillips | 1 | 1 |
| Dirk Blocker | Mr. Groder | Mayor Jim Gilmore | 1 | 1 |
| Eric Nenninger | Psychotic Biting Patient | Jared Chirp | 1 | 1 |
| Eve Brenner | Wilma | Little Old Lady | 1 | 1 |
| Jack McGee | Rodney McMullen | Bob Damphouse | 1 | 1 |
| James Handy | Dan Sullivan | Detective Alan Cross | 1 | 1 |
| Jillian Bach | Med Student Penny Nicholson | Maggie | 5 | 1 |
| John Hawkes | P.A. | Phillip Padgett | 1 | 1 |
| Lilyan Chauvin | Nurse Edna | Golda | 1 | 1 |
| Lisa Waltz | Mrs. Wimbur | Lauren Kyte | 1 | 1 |
| Maggie Wheeler | Amy Kellerman | Detective Sharon Lazard | 1 | 1 |
| Mark Pellegrino | Nathan Conley | Derwood Spinks | 1 | 1 |
| Michael Bowen | Dante Valerio | Dwight Cooper | 1 | 1 |
| Michael Fairman | Mort Harris | Jason Nichols | 1 | 1 |
| Stacy Haiduk | Impaled Mom | Maggie Waterston | 1 | 1 |
| William Sanderson | Mr. Percy | Ed Funsch | 1 | 1 |
| Xander Berkeley | Detective Wilson | Dr. Hodge | 1 | 1 |
| Željko Ivanek | Bruce Resnick | Roland Fuller | 1 | 1 |
| Dennis Boutsikaris | Dr. David Kotlowitz | Dr. Peter Voss | 4 | 1 |
| Julia Vera | Reina | Mrs. Lana Chee | 1 | 4 |
| Pat Skipper | Carl Dayton | Bill Scully Jr. | 1 | 4 |
| Fredric Lehne | Bum's Friend | Arthur Dales | 1 | 2 |
| George Gerdes | Jim Riley | Reverend Calvin Hartley | 2 | 1 |
| Mark Rolston | Officer Thomas | Bud LaPierre, Richard Odin | 1 | 2 |
| Silas Weir Mitchell | Luis, Marcus Hainey | Dougie | 2 | 1 |
| John Pyper-Ferguson | Tom Coggins | Det. John Kresge, Paul | 1 | 3 |
| Tom Gallop | Dr. Roger Julian | Win Shroeder | 3 | 1 |
| Kirk B.R. Woller | Prisoner Transport Officer | Agent Gene Crane | 1 | 5 |
| Alan Dale | Al Patterson | Toothpick Man | 3 | 4 |
| Tara Karsian | Liz Dade | Coroner's Assistant | 7 | 1 |
| Angelo Vacco | Mercy RN | Angelo Garza, Door Man, Guido / Bartender | 1 | 4 |
| Bellamy Young | Grace | Janet Wilson | 1 | 1 |
| Chad Lindberg | Jad Houston | Bobby Rich | 2 | 1 |
| Christine Cavanaugh | Gloria | Amanda Nelligan | 1 | 1 |
| Christopher Allport | Mr. Strickland | Agent Jack Willis | 1 | 1 |
| Clayton Rohner | Roger Anderson | Daryl Mootz | 1 | 1 |
| F.J. Rio | Miguel Rivas | Second Cop | 1 | 1 |
| Frances Bay | Georgia | Dorothy | 1 | 1 |
| Glenn Morshower | Rick Decoyte | Aaron Starkey | 1 | 1 |
| John Diehl | Johnson's Son | Wilson "Pinker" Rawls | 1 | 1 |
| Judith Hoag | Mrs. Brenner | Dr. Mindy Rinehart | 1 | 1 |
| Kathryn Joosten | Lois | Agent Edie Boal | 1 | 1 |
| Kathy Griffin | Dolores Minky | Betty Templeton / Lulu Pfeiffer | 1 | 1 |
| Kevin Weisman | Glenn Krakowski | Anson Stokes | 1 | 1 |
| Lucy Liu | Mei-Sun Leow | Kim Hsin | 3 | 1 |
| Lucy Rodriguez | Nurse Bjerke | Operator | 13 | 1 |
| Megan Corletto | Julia Edelstein | Amber Lynn LaPierre | 1 | 2 |
| Michael Cavanaugh | Suzanne's Dad | Sheriff Jack Withers | 1 | 1 |
| Nestor Serrano | David Torres, CDC | Ken Naciamento | 1 | 1 |
| Patrick Kilpatrick | Matthew Lindermulder | Randall Cooper | 1 | 1 |
| Ramy Zada | Vincent Greco | Joe Cutrona | 1 | 1 |
| Rusty Schwimmer | Grollman | Bus Driver | 1 | 1 |
| Sarah Benoit | Melanie | Evelyn Mountjoy | 1 | 1 |
| Scott Burkholder | tbd | Agent Kinsley | 1 | 1 |
| Steve Bacic | Derek Marshak | Agent Collins, Officer #2, S.W.A.T. Commander | 1 | 3 |
| Steven Anderson | Dr. Davitch | Dr. James Parenti | 2 | 2 |
| Susan Blommaert | Sarah McKenzie | Phyllis H. Paddock | 1 | 1 |
| Tamara Clatterbuck | Suzannah Harris | Larina Jackson | 1 | 1 |
| Tobin Bell | Dr. Gary Wertz | Daryl Weaver | 1 | 1 |
| Veronica Cartwright | Norma Houston | Cassandra Spender | 2 | 4 |
| William Lucking | Kenny Brannigan | Roky Crikenson | 1 | 1 |
| Christopher Michael | Security Officer | Trusty | 5 | 1 |
| Rick Marzan | Camacho | Holding Cell Officer | 7 | 1 |
| Vyto Ruginis | Paramedic Wright | Lieutenant Bianco | 3 | 1 |
| Andi Chapman | Joanie Albright | Dr. Monique Sackheim | 2 | 1 |
| Carl Lumbly | Dr. Graham Baker | Marcus Duff | 2 | 1 |
| Catherine Paolone | Adoption Caseworker | Ellen Kaminski | 2 | 1 |
| Colleen Flynn | Jodi O'Brien | Colleen Azar, Michele Fazekas | 1 | 2 |
| Colton James | Mickey | Josh Underwood | 2 | 1 |
| Conor O'Farrell | Richard Abbott | Sheriff Ciolino | 2 | 1 |
| Kenneth Tigar | Dr. Keinholz | Dr. Plant | 2 | 1 |
| Martin Grey | Wilbourne | Agent Flagler | 1 | 2 |
| Tracey Ellis | Annette | Audrey Pauley, Lucy Householder | 1 | 2 |
| Allison Smith | Denny | Patti | 1 | 1 |
| Alyson Reed | Ginny | Maggie Lupone | 1 | 1 |
| Angela Paton | Mrs. Ransom | Mrs. Lukesh | 1 | 1 |
| Colby French | Greg Becton | Deputy | 1 | 1 |
| Deborah Strang | Mrs. Drane | Detective B.J. Morrow | 1 | 1 |
| Emilio Rivera | Emilio Cardazco | Brigham | 1 | 1 |
| Frances Fisher | Helen Kingsley | Lizzie Gill | 1 | 1 |
| Frank Novak | Ted | Raybert Fellowes | 1 | 1 |
| Gary Grubbs | Emmett Chambliss | Sheriff Tom Arens | 1 | 1 |
| Graham Jarvis | Francis | Dr. Austin | 1 | 1 |
| Jack Blessing | Roger Drummond | Dr. Jack Preijers | 1 | 1 |
| James McDonnell | Pat Guinet | Detective Van Allen | 1 | 1 |
| Jeff Kober | Stuart | Bear | 1 | 1 |
| Kate McNeil | Mrs. Pendry | Nan Wieder | 1 | 1 |
| Lois Foraker | Ida Blinnder | Sylvia Jassy | 1 | 1 |
| M.C. Gainey | Darrion Walters | Bo Taylor | 1 | 1 |
| Marjorie Lovett | Colostomy bag lady | Elaine Tanner | 1 | 1 |
| Michael Chieffo | Dr. Harris | Carl Wade | 1 | 1 |
| Michael O'Neill | Col. Ken Kilner | Patrol Captain | 1 | 1 |
| Micole Mercurio | Marguerite Janeway | Miss Stodie | 1 | 1 |
| Patrick Renna | Howie McMurtry | Ronnie Strickland | 1 | 1 |
| Raye Birk | Mr. Hartley | Dr. Jeff Eckerle | 1 | 1 |
| Sab Shimono | Dr. Okida | Gung Bittuen | 1 | 1 |
| Sandrine Holt | Drew | Dr. Karah Hamby | 1 | 1 |
| Scott Paulin | Dr. Kirsch | Jeffrey Conlon | 1 | 1 |
| Stephen Hornyak | Det. Laibson | Dr. Paul Kopeikan | 1 | 1 |
| Susan Lee Hoffman | Alice | Lisa Ianelli | 1 | 1 |
| Thomas Kopache | Dr. Stofsky | General Thomas Callahan | 1 | 1 |
| Wade Williams | Migraine Guy | Raymond Pearce | 1 | 1 |
| George Murdock | Mr. Sidowski | Elder #3 | 1 | 4 |
| David Purdham | Dr. Kallis | Dr. Lev | 1 | 2 |
| Lynda Boyd | Deborah Harris | Bar Patron, Elizabeth | 1 | 2 |
| Michael Bryan French | Dr. MacGruder | Paul Mossinger | 2 | 1 |
| Scott MacDonald | Ambulance Driver, Detective | Curtis Delario | 2 | 1 |
| Suanne Spoke | Mrs. Robbins, OB Receptionist | Woman Customer | 2 | 1 |
| Jim Jansen | Neonatologist | Dr. Heitz Werber | 1 | 3 |
| Warren Sweeney | Mr. Tierny | Dr. Harriman | 1 | 3 |
| Brian Leckner | Lloyd | Hayes Michel | 1 | 1 |
| Carrie Snodgress | Mrs. Lang | Darlene Morris | 1 | 1 |
| Chad E. Donella | Kevin Delaney | Rob Roberts | 1 | 1 |
| Chris Nelson Norris | Ivan Pachecko | Edmund Peacock, S.W.A.T. Lieutenant | 1 | 2 |
| Cyril O'Reilly | Prisoner Mike Kinney | Ed Kelso | 1 | 1 |
| Dean Norris | Bomb Specialist Clark | U.S. Marshal Tapia | 1 | 1 |
| Dennis Lipscomb | Dr. Wilson | Leonard Vance | 1 | 1 |
| Dylan Haggerty | Coach Yazerski | Erwin Timothy Lukesh | 1 | 1 |
| Eric Christmas | Mr. Heath | Stan Phillips | 1 | 1 |
| Erin Chambers | Brooke Sawyer | Anna Strong | 1 | 1 |
| Esther Mercado | Carmine | Mrs. Barreiro | 1 | 1 |
| Gina Mastrogiacomo | Ms. Myra | Jenny Uphouse | 1 | 1 |
| Grace Phillips | Mrs. Brower | Betsy Monroe | 1 | 1 |
| Henri Lubatti | Victor | Dr. Wilkenson | 1 | 1 |
| Holmes Osborne | Dr. Sayers | Mark Johnson | 1 | 1 |
| John Kapelos | Mr. Irby | Agent Fordyce | 1 | 1 |
| John Prosky | Mr. Brooks | Medical Examiner | 4 | 1 |
| Jose Yenque | Wardell | Soledad Buente | 1 | 1 |
| Judith Scott | Mandy Smith | Dr. Kai Bowe | 1 | 1 |
| Laura Leigh Hughes | Mrs. Milner | Kersh's Assistant | 1 | 3 |
| Lisa Darr | Nadine Wilkes | Jana Fain | 1 | 1 |
| Louise Latham | Mrs. Cupertino | Marjorie Butters | 1 | 1 |
| Marnie McPhail | Nurse Lisa Sailor | Cami Shroeder | 1 | 1 |
| Max Kasch | Andrew | Evan Shipley | 2 | 1 |
| Michael Chinyamurindi | Mlungisi | Dr. Soloman Merkmallen | 2 | 1 |
| Michael Shamus Wiles | Battalion Chief Bukata | Black-Haired Man | 1 | 2 |
| Miguel Sandoval | Mr. Perez | Martin Ortega | 1 | 1 |
| Mimi Lieber | Dr. Malcolm | Anita Fiore | 1 | 1 |
| Monica Parker | Allergic Woman | Ladonna | 1 | 1 |
| Pamela Gordon | Regina | Proprietor | 2 | 1 |
| Randy Oglesby | PICU Doctor | Reverend Samuel Mackey | 1 | 1 |
| Richard Cox | Rick Mathers | Daniel Brimley | 1 | 1 |
| Rick Cramer | McCormick, Officer O'Bannon | Guard | 2 | 1 |
| Sage Allen | Mrs. Zwicki | Landlady | 1 | 1 |
| Samaire Armstrong | Tasha | Natalie Gordon | 1 | 1 |
| Steve Eastin | Lorenzo | Sheriff Mazeroski | 1 | 1 |
| Thomas F. Duffy | Detective Henderson | Officer Jeffrey Cahn | 1 | 1 |
| Tony Longo | Angel Dust Junkie | Dominic | 1 | 1 |
| Tuck Milligan | ER Doc | Dr. Adam Pierce | 1 | 1 |
| Valente Rodriguez | Mr. Trajillo | Walter Suarez | 1 | 1 |
| Wayne Duvall | Umpire | Agent Jerry Lamana | 1 | 1 |
| Wendy Gazelle | Julie Hembree | Kathy Dukes | 1 | 1 |
| Jonathan Palmer | Dr. Blevins | Principal | 1 | 2 |
| Judd Trichter | Donny | Richie Szalay | 1 | 2 |
| Adam Nelson | Police Officer | Mr. Van De Kamp | 1 | 1 |
| Casey Biggs | Mike | Saksa | 1 | 1 |
| Dan Leegant | Bearded Old Man | Myron Stefuniak | 1 | 1 |
| Dana Gladstone | Weingarten's Trepanation Expert | Dr. Landon Prince / Dale Gayhart / Harvey William Buchanon / Aaron Baker / James Dickens | 1 | 1 |
| Daniel Quinn | Casey | Lt. Jack Sheaffer | 1 | 1 |
| David Bowe | Father of Unicycle Boy | Robert Werther | 1 | 1 |
| Gavin Fink | Henry Martin | Tommy Conlon | 1 | 1 |
| Jay Underwood | Mr. Burke | Jeb Dukes | 1 | 1 |
| Jesse James | Wilson Geary | Poorboy | 1 | 1 |
| Jim Cody Williams | Boudreau | Cal Jeppy | 1 | 1 |
| Joe Sabatino | Pilot | Captain Al Triguero | 1 | 1 |
| Joel McKinnon Miller | Mr. Emerson | Deputy Greer | 1 | 1 |
| John Apicella | Mr. Etheridge | Greg Pincus | 1 | 1 |
| Jon Gries | Defense Attorney Marty Nesmith | Salvatore Matola | 1 | 1 |
| JoNell Kennedy | Judy Munder | Amina Ngebe | 1 | 1 |
| Lillian Hurst | Mrs. Landeta | Flakita | 1 | 1 |
| Michael Childers | Thal | Reverend Enoch O'Connor | 1 | 1 |
| Michael Mantell | Mr. Spencer | Dr. James Riley | 1 | 1 |
| Michael McGrady | Fire Captain Davis | Sheriff Kurt Frey | 1 | 1 |
| Ming Lo | Lindsey Jang | Dr. Kim | 1 | 1 |
| Shia LaBeouf | Darnel Smith | Richie Lupone | 1 | 1 |
| Steven Barr | Construction Foreman | Courier Guard | 1 | 1 |
| Steven M. Porter | Mr. Pularski | Harold Spuller | 1 | 1 |
| Tim Halligan | Howard | Darren Mountjoy | 1 | 1 |
| Abdoulaye N'Gom | Dusty Father | Driver | 2 | 1 |
| Andy Umberger | Dr. David Harvey | Agent Chesty Short | 2 | 1 |
| Christopher Wynne | Resident | Base Cop, Deputy | 1 | 2 |
| François Chau | Neuro Resident | Peter Wong | 2 | 1 |
| McNally Sagal | Madeline | Overcoat Woman | 1 | 2 |
| Nelson Mashita | Kazuo | Dr. Lim | 1 | 2 |
| Al Ruscio | Mr. Dellanova | Elder #4 | 1 | 2 |
| Badja Djola | Mike Lembreaux | Napoleon "Neech" Manley | 1 | 1 |
| Bryan Rasmussen | Robert Martin | Sheriff's Deputy | 2 | 1 |
| Caroline Lagerfelt | Andrea | Rustic Woman | 1 | 1 |
| Cynthia Martells | Andrea Thompson | District Attorney | 1 | 1 |
| Denise Dowse | Mrs. Lysell | Dr. Babsi Russel | 1 | 1 |
| Derick Alexander | Hospital Officer | Bailiff | 3 | 1 |
| Erich Anderson | Mr. Bradley | Doug Underwood | 1 | 1 |
| Frank Roman | Dr. Olivas | Domingo Salmeron | 1 | 1 |
| James Otis | Brixton | Arlen Sacks | 1 | 1 |
| Jamie Marsh | Mr. Kamtovik | Ivan | 1 | 1 |
| John Towey | Anatomy Professor | Kenneth Orgel | 1 | 1 |
| Kipp Shiotani | Bike Guy | Cadet #1 | 1 | 1 |
| Lou Beatty, Jr. | Dexter Jenkins | Coach | 1 | 1 |
| Megan Follows | Christy Larkin | Kath McCready | 1 | 1 |
| Michael Hungerford | Mr. Lawrence | Thomas Gastall | 1 | 1 |
| Michael Wiseman | Danny (Enforcer) | Dr. Rocky Bronzino | 1 | 1 |
| Michael Yama | Epidemiologist | Shuyang Hsin | 1 | 1 |
| Michele Harrell | Mrs. Howard's Daughter | Mrs. Murdoch | 1 | 1 |
| Paul Vincent O'Connor | tbd | Warden Brian Hutchinson | 1 | 1 |
| Rance Howard | Dr. Oliver Kostin | Old Man | 1 | 1 |
| Tegan West | Construction Boss | Navy Lieutenant | 1 | 1 |
| Joe Basile | Officer Tom Bennini | Lead Guard | 2 | 1 |
| Adam Lieberman | Levine | Transit Officer Philbrick | 1 | 1 |
| Annie O'Donnell | Eve | Elderly Woman | 1 | 1 |
| David Denman | Jeremy Willis / "Angel" | Wallace Schiff | 1 | 1 |
| James Sutorius | Dr. Abrams | Babcock | 1 | 1 |
| Joe Nieves | Tony Dejesu | Barreiro's Son | 1 | 1 |
| Kay E. Kuter | Mr. Seaton | Head Calusari | 1 | 1 |
| Keith Szarabajka | Mr. DeLuca | Anthony Tipet | 1 | 1 |
| Ken Meseroll | Mr. Sawyer | Owen Harris | 1 | 1 |
| Lenora May | Review Board Doctor #2 | Ms. Britton | 1 | 1 |
| Linda Porter | Inga Paulson | Elderly Woman | 1 | 1 |
| Lisa Kaseman | Surgeon | Pathology Assistant | 1 | 1 |
| Louis Ferreira | Michael Mueller | Detective Costa | 1 | 1 |
| Mark Chaet | Tim | Bank Officer | 1 | 1 |
| Marshall Manesh | Babu | Mr. Jank | 1 | 1 |
| Mik Scriba | James' Father | Lieutenant Kraskow | 1 | 1 |
| Mo Gallini | Guy | Hood | 1 | 1 |
| Octavia Spencer | Maria Jones | Nurse | 1 | 1 |
| Patience Cleveland | Mrs. Mills | Arbutus Ray | 1 | 1 |
| Shareen Mitchell | Linda Evans | Billie LaPierre | 1 | 1 |
| Tom Dahlgren | tbd | Dr. Irving Thalbro | 1 | 1 |
| Tom Virtue | Pares | Dave Kline | 1 | 1 |
| Aaron Braxton | Detective Miles | Radiology Tech | 1 | 1 |
| Bernard White | Addict seeking Rapid Detox | Dr. Desai | 1 | 1 |
| Brianne Prather | Katie Nemeth | Young Woman | 1 | 1 |
| Charles Hoyes | Mr. Cooley | Howard Crittendon | 1 | 1 |
| Cheryl White | Meryl Sites | Nurse #3 | 1 | 1 |
| Colleen Quinn | Mom | Owen's Wife | 1 | 1 |
| Cynthena Sanders | Scrub Nurse #2 | E.R. Nurse | 1 | 1 |
| David Fabrizio | Michael Hanson | E.R. Physician | 1 | 1 |
| David Figlioli | Nolan | Victor Dale Potts | 1 | 1 |
| Dee Freeman | Dr. Lutz | Sergeant Paula Duthie | 2 | 1 |
| Ernie Lee Banks | Man in Crowd, Old Man | Maurice | 2 | 1 |
| Jack Shearer | Hal Grunwald | Judge Kinberg | 1 | 1 |
| Jan Rubeš | Mr. Duzak | Vassily Peskow | 1 | 1 |
| Jane Daly | Diane Armitage | Mrs. Holt | 1 | 1 |
| Lamont Johnson | Shrike | Whaley | 1 | 1 |
| Mari Weiss | Vicki | I.C.U. Nurse | 1 | 1 |
| Mary Kathleen Gordon | Rose | Woman | 1 | 1 |
| Mary-Margaret Lewis | Maid | Mrs. Dowdy | 1 | 1 |
| Monique Edwards | Callie | Head Teller | 1 | 1 |
| Philip Lenkowsky | Nelson | Holy Spirit Man #1 | 1 | 1 |
| Rodney Eastman | Freddie Robinson | Ronald Purnell | 1 | 1 |
| Saxon Trainor | Karen Simms | Mary Hendershot | 1 | 1 |
| Tim Bagley | Archie Papion | Gordy | 1 | 1 |
| Brian Chenoweth | Radiology Tech | Koko's Manager #1 | 2 | 1 |
| Bruce Wright | George Dunleavy, Pilot Gordon | Gary Garber | 2 | 1 |
| Carol Kiernan | Desk Clerk, Doris | Mom | 2 | 1 |
| Ana Maria Lagasca | Tina Garcia | Barreiro's Daughter | 1 | 1 |
| Annie Abbott | Mrs. Torledsky | Older Social Worker | 1 | 1 |
| Caryn West | Mrs. Bender | Dr. Libby Nance | 1 | 1 |
| Christopher Graves | Danny Dellanova | Kid #1 | 1 | 1 |
| Dom Magwili | Trauma Surgeon | Mr. Ng | 1 | 1 |
| Dwight Hicks | Officer Hutton | Prison Armed Guard | 1 | 1 |
| Jack Forbes | Police Officer | Ray's Double | 1 | 1 |
| Jamie McShane | Josh Rushing | Injured Soldier | 1 | 1 |
| Joanna Sanchez | Mrs. Trajillo | Trina | 1 | 1 |
| Les Lannom | Neslen | Deputy Foster | 1 | 1 |
| Lou Richards | Perkins | Officer Custer | 1 | 1 |
| Monnae Michaell | Mrs. Bell | Female Coroner | 1 | 1 |
| Pattie Tierce | Trailer Park Lady | Shaineh Berkowitz | 1 | 1 |
| Ryan Cutrona | Wilson | Captain | 1 | 1 |
| John Eric Bentley | Larry Anderson | Post Guard | 1 | 2 |
| Patrick St. Esprit | Mr. Thorpe | Guard #2 | 1 | 2 |
| Alexandra Margulies | Another Stewardess | Associate #2 | 1 | 1 |
| Chris Ufland | Mr. Perry | Sam | 1 | 1 |
| Clement E. Blake | Homeless Man | Holy Spirit Man #2 | 1 | 1 |
| Dell Yount | Mazanski | Truck Driver | 1 | 1 |
| George Sharperson | Sanitation Batter | Guard | 1 | 1 |
| Kerrie Keane | Melissa Walker | Nurse | 1 | 1 |
| Kevin Graves | Josh Dellanova | Kid #2 | 1 | 1 |
| Matthew Butcher | EVAC Corpsman | EMT | 1 | 1 |
| Mindy Seeger | Barbara Leeman | Coroner | 1 | 1 |
| Sharon Madden | Risberg | Hotel Manager | 1 | 1 |
| Paul Hansen Kim | Tech | Customer #2 | 2 | 1 |
| Dale Dickey | Mrs. Price | Game Warden | 1 | 1 |
| Jacqueline Schultz | Mrs. Blevins | Irene McPeck | 1 | 1 |
| James Geralden | Grieving Man | Detective Lacoeur | 1 | 1 |
| Karl T. Wright | Dr. Norris | Associate #1 | 1 | 1 |
| Larry Udy | Evidence Tech | Middle-Aged Man | 1 | 1 |
| Lisa Picotte | Pregnant Woman | Stacey Muir | 1 | 1 |
| Madison Mason | Clive King | Captain Yip Harburg | 1 | 1 |
| Michael Dempsey | Mr. Beckwith | Sheriff | 1 | 1 |
| Phil Abrams | Rodney | Little Fritz | 1 | 1 |
| Ric Sarabia | Drunk | Prison Trustee | 1 | 1 |
| Roz Witt | Saleswoman | Night Nurse | 1 | 1 |
| Austin Tichenor | Mr. Sumpter | Dr. James Langenhahn | 1 | 1 |
| Kevin McClatchy | Fred Danziger | James Leeds | 1 | 1 |
| Louise Melilli | OR Nurse | Distraught Woman | 1 | 1 |
| Steve Stapenhorst | Thorn | Principal | 1 | 1 |
| Tom Bailey | Sgt. Larkowski | Apartment Manager | 1 | 1 |
| Diana Castle | Sandy Maggioso | Delivery Nurse | 1 | 1 |
| Maura Soden | Miranda | Trevor's Mom | 1 | 1 |
| Brian Catalano | Officer Cash | Passenger Agent | 1 | 1 |
| Kayla Henry | Butterfly | Haley Wells | 1 | 1 |
| Michael Edward Thomas | Blackie | First Man | 1 | 1 |
| Nicole Bush | Mom | Customer #1 | 1 | 1 |
| Kalena Coleman | Jessica | Bus Driver | 1 | 1 |
| Lombardo Boyar | Morris Campbell | Deputy Juan Molina | 1 | 1 |
| Mary Wickliffe | Evidence Tech | Nurse | 1 | 1 |
| Mike Rad | Delivery Man | Randy | 1 | 1 |
| Christian Svensson | Sheriff Pohler | Soldier #2 | 1 | 1 |
| Mark Bramhall | Weisner | Surgical Team Member | 1 | 1 |
| Ralph Meyering, Jr. | Detective | Surgeon | 1 | 1 |
| Richard Zobel | Mr. Gehrhardt | Al | 1 | 1 |
| Scott Williamson | Dr. Lyle Howard | C.D.C. Leader | 1 | 1 |
| Wiley Pickett | Impaled Man | Trooper #2 | 1 | 1 |
| Maria Celedonio | Luisa | Chantara Gomez | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.