All 229 actors in both 30 Rock and Law & Order: Special Victims Unit
229 actors have appeared in both 30 Rock and Law & Order: Special Victims Unit, across 733 episodes. The most-credited is Dean Winters, Dennis Duffy in 30 Rock and Brian Cassidy in Law & Order: Special Victims Unit.
| Actor | In 30 Rock | In Law & Order: Special Victims Unit | Eps | Eps |
|---|---|---|---|---|
| Dean Winters | Dennis Duffy | Brian Cassidy | 15 | 32 |
| Peter Hermann | Gray | Counselor Trevor Langan | 1 | 36 |
| Ned Eisenberg | Marty | Roger Kressler, Jerry Kleinert, Mr. Klein | 1 | 24 |
| Daniel Sunjata | Chris | CSU Tech Burt Trevor, Bomb Squad Officer | 1 | 16 |
| Elizabeth Marvel | Emily | Counselor Rita Calhoun, Dr. Frantz | 1 | 16 |
| Stephanie March | Gretchen Thomas | Alexandra Cabot | 1 | 16 |
| Elizabeth Banks | Avery Jessup | Jaina Jansen | 15 | 1 |
| Marceline Hugot | Kathy Geiss | Leslie Price, School Nun | 12 | 2 |
| John Cullum | Mysterious Man | Barry Moredock | 1 | 11 |
| Kristen Schaal | Hazel Wassername, The Joey Montero Show Dancer | Abby | 11 | 1 |
| Ken Howard | Hank Hooper | Dr. Arlen Rieff | 9 | 1 |
| Will Arnett | Devon Banks | Anthony Damon | 9 | 1 |
| Katrina Bowden | Cerie, Stewardess, The Gruber Brother and Nipsey Dancer | Dana Simpson | 17 | 1 |
| Diane Neal | Erin | Assistant D.A. Casey Novak, Amelia Chase | 1 | 6 |
| Mary Steenburgen | Diana Jessup | Grace Rinato | 5 | 1 |
| Alec Baldwin | Richard Nixon, Chet Huntley, Cubby Gilmore/Larry | Jimmy MacArthur | 4 | 1 |
| Linda Emond | Commericial Voice | Dr. Emily Sopher | 1 | 8 |
| Donna Mitchell | U. Jean Gremby | Judge E. Kearns, Mrs. Lindberg | 1 | 3 |
| Jabari Gray | Executive #5 | CSU Tech Keegan Timmons, Thomas | 1 | 7 |
| Patti LuPone | Sylvia Rossitano | Lydia Lebasi | 3 | 1 |
| Richard Belzer | Richard Belzer, Sergeant John Munch | John Munch | 2 | 2 |
| Adriane Lenox | Sherry | Alva Tate, Judy Galton, Mrs. Tassler | 4 | 3 |
| Roger Bart | Brad Halster | Adam Cain, Benjy Dowe | 1 | 2 |
| Teddy Coluca | Stage Manager | Landlord | 8 | 1 |
| Whoopi Goldberg | Whoopi Goldberg | Janette Grayson | 2 | 1 |
| Anthony Mazza | NYC Cop | ESU Officer #1, ESU Commander | 1 | 4 |
| Christine Toy Johnson | Woman | Dr. Celia Lee, Dr. Anderson, Health Commissioner Chung | 1 | 6 |
| Ali Reza | Executive, Sandwich Guy, Yakov | Dr. Rohit Mehta | 3 | 5 |
| Amy Sedaris | Visor Lady | Charlie Donato | 1 | 1 |
| Brian Dennehy | Mickey J | Judson Tierney | 1 | 1 |
| Cynthia Nixon | Cynthia Nixon | Janis Donovan | 1 | 1 |
| Eion Bailey | Anders | Frank Patterson | 1 | 1 |
| Gary Cole | Roger | Xander Henry | 1 | 1 |
| Kapil Bawa | Khonani | Diner Owner #3, Hotel GM, Raj Kumar | 1 | 3 |
| Buck Henry | Dick Lemon | Morton | 2 | 1 |
| Lester Holt | Lester Holt | Lester Holt | 5 | 1 |
| Toby Huss | Deutsche Stimme | Detective John Whalen | 1 | 2 |
| Anita Gillette | Margaret Lemon | Judge Sheila Tripler | 2 | 2 |
| Jason Jurman | Jesse | Mitch Shankman | 1 | 3 |
| Joanna P. Adler | Donna Straunk | Persephone Free James, Sarah Gallagher | 2 | 2 |
| Kellie Overbey | Doctor | Judge Christine Rayburn, Mrs. Garnet | 1 | 3 |
| Margaret Cho | Kim Jong-Il | Evelyn Lee | 3 | 1 |
| Mark La Mura | Charles | Jeweler, Mr. Bawson, Templeton's Attorney | 1 | 3 |
| Michael Torpey | Gaylord Felcher | Dr. Gary Schwartz, Nick Brown | 2 | 2 |
| Madison Arnold | Gerald Chair | Don Fielding, Morty Graf, Owner | 1 | 4 |
| Reg E. Cathey | Rutherford Rice | Ganzel’s Attorney, Counselor Barry Querns, Gibson's Attorney | 1 | 5 |
| Teresa Yenque | Cleaning Lady, Concepcion | Cleaning Lady, Graciella Hernandez, Housekeeper | 2 | 4 |
| Alok Tewari | Dr. Singh | Attorney Amiri, Doctor, Dr. Ranjit Singh | 1 | 3 |
| Gilbert Gottfried | Gilbert Gottfried | TARU Tech Leo Gerber | 1 | 2 |
| Janel Moloney | Jessica | Dr. Lorraine Franchella | 1 | 1 |
| John Driver | Congressman #2 | Police Commissioner Lyle Morris | 1 | 2 |
| Kelly Deadmon | Woman | Stephanie Buckley, Lana Hoffman, Mrs. Allen | 1 | 4 |
| Madison McKinley | Dutch Cousin | Claire | 1 | 1 |
| Raymond McAnally | Cleveland Dude, Tony | Dennis Jablonski | 2 | 1 |
| Richard Prioleau | Midnight Symphony | John Woodward | 1 | 1 |
| Samrat Chakrabarti | Ramesh | Mr. Salim | 1 | 1 |
| Stacy Keach | Stacy Keach | Orion Bauer | 1 | 1 |
| Timothy Adams | NY Post Guy | Brent Allen Banks | 1 | 2 |
| Zack Robidas | Godzila | Peter Flynn | 1 | 4 |
| Nikki M. James | Erica | Detective Gail Dunbar, 911 Operator | 1 | 3 |
| Scott Bryce | Dave, Michael Templeton | Bill Garnet, Bill Schwartz | 2 | 2 |
| Sharon Wilkins | Angie Jordan | Janice Tashjian, Neighbor #2, Nurse Manager | 1 | 3 |
| Michael Mosley | Scott Scottsman | Ronnie the Informant | 2 | 1 |
| Miguel Pinzon | Assistant | Jace | 1 | 2 |
| Moe Hindi | 30 Rock Employee | Market Goer, Protester | 1 | 2 |
| Ross Bickell | Australian Jackie Mason | Michael Rowan, Principal | 1 | 2 |
| Steve Earle | Steve Earle | Prison Instructor | 2 | 1 |
| Victor Cruz | Grip | Adam Benitez, Public Defender | 1 | 2 |
| Andrew Polk | Executive #6, Steven Spielberger | Dr. Phillip Devere, Joey Leonard | 2 | 2 |
| Ben Cook | Young Jack | Adam Turner | 1 | 1 |
| Fred Melamed | Jack | Dan Goldberg | 1 | 1 |
| Heidi Armbruster | Woman | Susan Foster | 1 | 1 |
| Jodie Lynne McClintock | Denise | Nancy Earnst | 1 | 1 |
| Josh Casaubon | Roger | Michael Thatcher | 1 | 1 |
| Judy Gold | Judy Gold | Forensic Gynecologist | 1 | 1 |
| Laila Robins | Gloria Baird | Ellen Sidarsky Travis | 1 | 1 |
| Novella Nelson | Novella Nelson | Judge Anne Sciola, Mrs. Mosley | 1 | 3 |
| Peggy J. Scott | Cheryl | Grandmother | 1 | 1 |
| Rick Zahn | Judge | Concierge, Hal Harper, Police Chief | 1 | 3 |
| Rock Kohli | Store Clerk | Rav Singh, Dennis | 1 | 3 |
| Sue Simmons | Sue Simmons | Sue Simmons | 1 | 3 |
| Wyclef Jean | Wyclef Jean | Vincent Love | 1 | 1 |
| Albert M. Chan | Roy | Banker, Lloyd Chang | 1 | 2 |
| Ann Curry | Ann Curry | Ann Curry | 2 | 1 |
| Chris Fischer | Policeman #1 | Firefighter | 2 | 1 |
| Clarke Thorell | Russ | Geoff Avery, Sam Marlett | 1 | 2 |
| Curt Bouril | Kevin | Detective Carlson | 1 | 2 |
| David Alan Basche | Alan | Frank Bailey, Michael Gallagher | 1 | 2 |
| Demosthenes Chrysan | Razmig Calrissian | Anton Popkov, Man | 1 | 2 |
| Hoda Kotb | Hoda Kotb | Hoda Kotb | 1 | 2 |
| Kerry Butler | Lyle | Ariel Randolph, Denise Lynch | 1 | 2 |
| Lynda Gravatt | Martha | Judge Jane Emery, Mrs. Mason | 1 | 2 |
| Tijuana Ricks | Flight Attendant | Dr. Marnie Aiken, Principal | 1 | 2 |
| Zak Orth | Young Priest | Defense Attorney Harry Kagan, Wally Parker | 1 | 2 |
| Jason Kravits | Keith | Joelle's Attorney, Principal Andrew Kilgore, Sandy Braun | 1 | 3 |
| Jimmy Palumbo | Enzo, Matt Dowd | Mr. Ralsay, Officer Clark | 2 | 2 |
| Alan H. Green | Gay Man #1, Security Guard | Hank | 2 | 1 |
| Audrey K. Amey | Contestant #3 | Receptionist | 1 | 1 |
| Boris McGiver | Patrick | Deputy Inspector Dermott Grogan | 1 | 1 |
| Christopher Stadulis | The Cop | Port Authority Uni Bedford, Sharpshooter | 1 | 2 |
| Dena Tyler | Stephanie | Judge Caroline Harper | 1 | 1 |
| Erik Jensen | Cjokula | James Turner | 2 | 1 |
| James Murtaugh | Ron | Dr. Porterman, Mr. Gibson | 1 | 2 |
| James Saito | Chef | Judge Henry Suzuki | 1 | 1 |
| Jan Owen | Grace | Mrs. Rabinowitz | 1 | 1 |
| Maria Thayer | Jennifer Rogers | Hope | 1 | 1 |
| Mark Lotito | Jimmy | IAB Detective Howard, Mike Rizzo | 1 | 2 |
| Matthew Stocke | Snapple Man | Uniform Officer | 1 | 1 |
| Nedra Marie Taylor | Stripper #3 | Ilana Benjamin | 1 | 1 |
| Patrick Heusinger | Brian | Brady Harrison | 1 | 1 |
| Ricky Smith | Young Raw Dog | Marcus | 1 | 1 |
| Sandor Tecsy | Driver | Keith Willis | 1 | 1 |
| Siobhan Fallon Hogan | Patricia | Linda Leggatt, Melissa Raye | 1 | 2 |
| Stephen Beach | CIA Agent | Federal Officer, Ray Gunther | 1 | 2 |
| Christa Scott-Reed | Veruca Saline | Counselor Frances Carnes, Noreen, Producer | 1 | 3 |
| Sylvia Kauders | Old Woman | Anna, Esther, Mare | 1 | 3 |
| Adam Smith Jr. | Prop Master | C.O. John Hickey | 2 | 1 |
| Danika Yarosh | School Girl | Ariel Thornhill | 1 | 2 |
| Johnnie Mae | Nurse, Screener | Latifah | 2 | 1 |
| Tim Bohn | Liddy's Dad | Dr. Phil Sona, Jacob Nauss | 1 | 2 |
| Tom Treadwell | Executive #3, Landis | Segment Producer | 2 | 1 |
| April L. Hernandez | Vikki | Sony Amaro | 1 | 1 |
| Ashlie Atkinson | Theresa | Rachel | 1 | 1 |
| Brit Whittle | Man #1 | ER Doctor Lindstrom | 1 | 1 |
| Darien Sills-Evans | Man in the Bronx | Foster | 1 | 1 |
| Jack Hallett | Bobby | Barlow | 1 | 1 |
| Jack M. Haley | Foreman | Reynolds | 1 | 1 |
| Jen Ponton | Brenda | Layla | 1 | 1 |
| Jon Glaser | Mike | Jackson Wright | 1 | 1 |
| Karen Pittman | Nurse | FBI Agent Wilcox | 1 | 1 |
| Kathleen McCafferty | Mayor Debbie | Liz Culphers | 1 | 1 |
| Liz Holtan | Blond Intern | Peggy Grogan | 1 | 1 |
| Nilaja Sun | Irene | Triage Nurse | 1 | 1 |
| Omar Evans | Bartender | Pup Peters | 1 | 1 |
| Ramsey Faragallah | Sheik | Market Owner, Rudy Singh, Taxi Driver | 1 | 3 |
| Steven Hauck | Ethan Allen | Professor | 1 | 1 |
| Folake Olowofoyeku | Jamaican Nurse #2 | Adisa, Amina Asante | 1 | 2 |
| Scott Adsit | Dicky, Peter Horn | Dwight Lomax | 2 | 1 |
| Jefferson Slinkard | Crew Guy #2 | Alan, Moose | 2 | 2 |
| Anna Chlumsky | Other Liz | Jocelyn Paley | 1 | 1 |
| Ben Davis | George Treadbury | Paul Davies | 2 | 1 |
| D.K. Bowser | Rolly the Janitor | Frank | 1 | 1 |
| David Titus | Collector | Clerk | 1 | 1 |
| Deidre Goodwin | Deborah | Nanny | 1 | 1 |
| Don Stephenson | Man on Subway | Derek Singer | 1 | 1 |
| Jake Goldberg | Connor | Adam Tremblay | 1 | 1 |
| Jeff Blumenkrantz | Gordeau | Mike Schwartz | 1 | 1 |
| Mark Zimmerman | Lawyer | Attorney Katz, Mr. Dupree | 1 | 2 |
| Marylouise Burke | Mom | Marcy Cochran | 1 | 1 |
| Michael Mulheren | Gordan Beckman | Judge Harrison Taylor | 1 | 1 |
| Paul Mauriello | Crew Guy | Daddy Bear | 1 | 1 |
| Reathel Bean | Executive #1 | Congressman Fritz Showalter, Kidney Patient | 1 | 2 |
| Remy Auberjonois | Tyler Brody | Eric Liebert | 1 | 1 |
| Ted Arcidi | Tony | Prison Guard #1 | 1 | 1 |
| Eric Martin Brown | Godfrey Jessup | Liam Black | 2 | 1 |
| Gregg Edelman | Dr. Melvoin | Daniel Brown, Dr. Lucas | 1 | 2 |
| Katy Grenfell | Passerby | B.J., Mrs. Lynde | 1 | 2 |
| Angela Pierce | Samontha | Nurse Jones | 1 | 1 |
| Ben Bailey | Ben Bailey | Transit Sergeant Ambrose | 1 | 1 |
| Bill Buell | Judge Gregory Dredd | Terry Ronsen | 1 | 1 |
| Dan Leonard | Bellboy | Riley Cuskey | 1 | 1 |
| Frank Ridley | Traffic Cop | Dr. Brian Gold | 1 | 1 |
| J. Elaine Marcos | Female EMT #1 | Lisa Vaughn | 1 | 1 |
| Jack Gilpin | Douglas | Ron Wolcott | 1 | 1 |
| Jamil Mena | Scott | Corrections Officer #1 | 1 | 1 |
| Katherine Puma | Woman on Subway | Virginia Cuskey | 1 | 1 |
| Theo Stockman | Ephraim | Michael Wheeler | 1 | 1 |
| Todd Alan Crain | Charlie MacGuffin | Henry Phillips | 1 | 1 |
| Adrianne Frost | Tourist | Marva Taylor | 1 | 1 |
| Alice Kremelberg | Margaret | Julie | 1 | 1 |
| Alysia Reiner | Real Estate Agent | Cindy Kerber | 1 | 1 |
| Ana Maria Jomolca | Cleaning Lady | Ellen | 1 | 1 |
| Bill Cwikowski | Male Nurse | George Waddell | 1 | 1 |
| Christian Frazier | Police Officer | Police Officer | 1 | 1 |
| Ciaran Tyrrell | Waiter | Keith | 1 | 1 |
| Clayton Dean Smith | Photographer | Man #1 | 1 | 1 |
| Cliff Samara | Attendant | Jury Foreperson | 1 | 1 |
| Elisabeth A. Furtado | Gym Teacher | Geneva Dworkin, Rosie | 1 | 2 |
| Erik Heger | Male Model | Cole Foster | 1 | 1 |
| Godfrey | Rick | Adam Church | 1 | 1 |
| Joe Coots | Blue Collar Guy | Teammate #2 | 1 | 1 |
| Joe Wissler | Alcoholic Stage Hand | Jury Foreman | 1 | 1 |
| Johnny Pruitt | Waiter | Andrew Pennington | 1 | 1 |
| Nick Sullivan | Emcee | Dr. Dean Kern | 1 | 1 |
| Susan Barrett | Diane | Manager | 1 | 1 |
| Gary Cowling | Tourist | Archivist, Caseworker Hecht | 1 | 2 |
| Buzz Roddy | Manager | Store Manager | 1 | 1 |
| Chloe Brooks | Attractive Date | Natasha Gorsky | 1 | 1 |
| David Forsyth | Congressman #1 | Dr. Stanley Norton | 1 | 1 |
| Dion Sapp | Andrew | Lenny Culp | 1 | 1 |
| Ryan Jonze | Beard Guy | Jeff Nichols | 1 | 1 |
| Wendy Williams | Wendy Williams | Wendy Williams | 1 | 1 |
| Aalok Mehta | Dinesh | Cabbie | 1 | 1 |
| David Wilson Barnes | Thomas | Agent Hellerman | 1 | 1 |
| Jake Boyd | Young Jack | Wesley Grimes | 1 | 1 |
| Julia Barnett | Charlotte | Reporter | 1 | 1 |
| Michael Carbonaro | Waiter | Jeff Trapido | 1 | 1 |
| Pat Kiernan | Pat Kiernan | Pat Kiernan | 1 | 1 |
| Patrick Noonan | Man #2 | ICE Agent Tim Nunn | 1 | 1 |
| Robert Sedgwick | Archery Coach | James Campbell | 1 | 1 |
| Samuel Maupin | Executive | Mr. Sawyer | 1 | 1 |
| Stuart Zagnit | Nixon | Harrison Barnett | 1 | 1 |
| Al Espinosa | Priest | Andy Penza | 1 | 1 |
| Alex Cranmer | Employee | Dr. Derek Tanner | 1 | 1 |
| Andrea Cirie | Woman #2 | Kelly Singer | 1 | 1 |
| Angel Pai | Karolina Kurkov's Entourage | Lien | 1 | 1 |
| JL Rey | Sanitation Worker | Bodega Owner | 1 | 1 |
| Rik Alan Walter | Man | Sheriff Renshaw | 1 | 1 |
| Rob Morgan | Cab Driver | Homeless Guy | 1 | 1 |
| Sondra James | Woman | Agnes Rosen | 1 | 1 |
| Clay Aiken | Clay Aiken | Clay Aiken | 1 | 1 |
| Darlene Violette | Melon Ball Lady | Parkmom #1 | 1 | 1 |
| Gerrianne Raphael | The Nun | Mrs. Weiman | 1 | 1 |
| Greg Connolly | Astronaunt | Todd Wyman | 1 | 1 |
| Mark DiConzo | Business Man | Basil Koutris | 1 | 1 |
| Alice Schaerer | Congresswoman #1 | Laura Klein | 1 | 1 |
| Harlin C. Kearsley | Sax Man | Construction Worker #2 | 1 | 1 |
| Marisa Redanty | State Official | Dr. Ramsdale | 1 | 1 |
| Mike Keller | Police Officer | PAPD Sergeant | 1 | 1 |
| Mark Doherty | Detective | Lieutenant Frank Ryan | 1 | 1 |
| Paul Doherty | Ted | Jeff Lathan | 1 | 1 |
| Nancy Eng | Strip Club Manager | Sweatshop Woman | 1 | 1 |
| Wally Dunn | Priest | Michael Marolo | 1 | 1 |
| Helen Coxe | Gay Man's Fiancé | Mrs. Hartford | 1 | 1 |
| Nicole Guidetti | Dancer #3 | Bernadette | 1 | 1 |
| Jane Krakowski | Dusty Springfield | Emma Spevak | 1 | 1 |
| Matthew Schechter | 8 Year Old Jayden | Peter Best | 1 | 1 |
| Capathia Jenkins | Principal | Thelma Price | 1 | 1 |
| Julia Murney | Courtney | Waitress | 1 | 1 |
← 30 Rock × Law & Order: Special Victims Unit
Cast data from TVmaze, licensed CC BY-SA 4.0.