All 144 actors in both Elementary and Law & Order
144 actors have appeared in both Elementary and Law & Order, across 699 episodes. The most-credited is Carolyn McCormick, Denise Hargrove in Elementary and Dr. Elizabeth Olivet in Law & Order.
| Actor | In Elementary | In Law & Order | Eps | Eps |
|---|---|---|---|---|
| Carolyn McCormick | Denise Hargrove | Dr. Elizabeth Olivet | 1 | 48 |
| Leslie Hendrix | Attorney Cynthia Kerr | Dr. Elizabeth Rodgers | 1 | 28 |
| Angel Desai | Dr. Gretchen Primler | Judge Roberta Hines, Erica | 1 | 7 |
| Liza J. Bennett | Officer Hanna Gregson | Drea Clark | 5 | 1 |
| Chris McKinney | Detective Guzman | Huey Tate | 4 | 1 |
| Daryl Edwards | Detective Perkins | Judge Paul Gifford | 1 | 4 |
| Joseph Siravo | Anthony Pistone | Joey Palmieri, Lou Shore, Man | 1 | 4 |
| Bruce Altman | Dr. Jonathan Fleming | Mayor Robert Payne | 1 | 3 |
| Dylan Baker | Armand Venetto | Defense Attorney Sanford Rems | 1 | 3 |
| Richard Brooks | Detective Demps | Paul Robinette | 1 | 3 |
| Tyrone Mitchell Henderson | Security Guard | Judge Arnold Pappas | 1 | 3 |
| Victoria Cartagena | Hope | Attorney Yolanda Matos | 1 | 3 |
| David Shih | Detective #1 | Peter Thomas | 1 | 2 |
| Phyllis Somerville | Miriam Berg | Kristen Cameron, Head Nurse, Ms.Maltese | 1 | 2 |
| Roger Rees | Alistair Moore | Wyatt Scofield | 2 | 1 |
| Kevyn Morrow | N.D. Detective, Detective Bailey | Judge Marty Chen | 3 | 2 |
| Alimi Ballard | Don Kohler | Ron Delahunt | 1 | 3 |
| Chris Bauer | Detective Gerry Coventry | Jackie Costa | 1 | 1 |
| Keith Szarabajka | Wade Crewes | Neil Gorton | 1 | 1 |
| Leon Addison Brown | Anthony Daniels | Judge Kenneth Maldonado | 1 | 3 |
| Marsha Stephanie Blake | Melanie Cullen | Erica Knight | 1 | 3 |
| Maury Ginsberg | Raph Keating | Attorney Scott Quinn | 1 | 3 |
| Michael O'Keefe | Hudson Wayne Greer | Archbishop Keane | 1 | 1 |
| Mike Doyle | Chris Holland | Terry Clausen | 1 | 1 |
| Paul Sorvino | Robert Pardillo | Sergeant Phil Cerreta | 1 | 1 |
| Raphael Sbarge | Richard Davenport | Brian Lee | 1 | 1 |
| Zabryna Guevara | Detective Lisa Hagen | Amanda Stanley | 1 | 3 |
| Eisa Davis | OB/GYN | Virginia Hogan | 1 | 2 |
| Elizabeth Marvel | Cassandra Walker | Defense Attorney Rita Calhoun | 1 | 2 |
| Jane Alexander | C. | Regina Mulroney | 2 | 1 |
| Lance Roberts | Funeral Home Employee | Judge John Craven | 1 | 2 |
| Lawrence Gilliard Jr. | Dwyer Kirk | Attorney Aaron Dressler | 1 | 2 |
| Lisa Emery | Mrs. Barnes | Katrina Van Brocklen, Meg Lafferty | 1 | 2 |
| Mark Zeisler | Arthur Watkins | Judge Stuart Adams, Richard Kovax | 1 | 2 |
| Tawny Cypress | Black Suit | Erin Grassley | 1 | 2 |
| Tonya Pinkins | Judge Marilyn Whitfield | Angela Young, Woman | 1 | 2 |
| Tonye Patano | Dolores Murphy | Judge Linda Maskin | 1 | 2 |
| Zak Orth | Gabe Coleman | Harry Kagan | 1 | 2 |
| Antonio Edwards Suarez | Sedan Driver | Judge Luis Hernandez, Judge Carter Nevins | 1 | 6 |
| Cara Buono | Sarah Cushing | Lisa Dumont | 1 | 1 |
| Carlos Gómez | Enrique Ruiz | Mark Mendez | 1 | 1 |
| Curtis McClarin | Morris Gilroy | Marvin Waters | 1 | 1 |
| Gabriel Olds | Dr. Nate Campbell | Sean McKinnon | 1 | 1 |
| Garret Dillahunt | Bart MacIntosh | Eric Lund | 1 | 1 |
| Harriett D. Foy | Viola Wright | Judge Arlene Jones | 1 | 2 |
| John Bedford Lloyd | Lieutenant | Jerry Ryan | 2 | 1 |
| Kate Jennings Grant | Lydia Guerrero | Debra Gates | 1 | 1 |
| Mark Boone Junior | Guitar Expert | Garage Manager | 1 | 1 |
| Michael Gladis | Rodger Stapleton | Christopher Heartwood | 1 | 1 |
| Michael Potts | Dr. Peter Hanson | Kenneth Lowell | 1 | 1 |
| Natalie Gold | Sarah Penley | Megan Wallace | 1 | 2 |
| Ronald Guttman | Elliot | Farber | 1 | 1 |
| Selenis Leyva | Sara Castillo | Patricia Kaplan | 1 | 1 |
| Susan Misner | Loretta Nichols | Attorney Allison Whitt | 1 | 1 |
| William Ragsdale | Patrick Moore | Fire Marshal Julian Jenca | 1 | 1 |
| Graham Rowat | Defense Attorney | Eric Howe, Ken Moore | 1 | 2 |
| Jason Babinsky | Ridley Dineen, Uniformed cop #1 | Phillip Klein | 2 | 1 |
| Stephen Schnetzer | Eli | Dr. Freeman, Mitchell Lowell | 1 | 2 |
| Brenda Pressley | Estella Llamosa | Judge Nancy Freeman | 1 | 1 |
| Brian Hutchison | Kurt Godwyn | Agent Sean Merrill | 1 | 1 |
| Brian Keane | Walter Petty | Brian Morrison | 1 | 1 |
| Byron Jennings | Phillip Van Der Hoff | Ted Driscoll | 1 | 1 |
| Christian Campbell | Ezra Kleinfelter | Ethan Merritt | 1 | 1 |
| Donald Paul | Socks | Lonnie Ballard | 1 | 1 |
| Emily Bergl | Marion West | Kate Leavy | 1 | 1 |
| Francie Swift | Kate Sutter | Diana Marcus | 1 | 1 |
| Laura Heisler | Roz Nealy | Amelia Penner | 1 | 1 |
| Matthew Lawler | Titus Gorham | Randall Pike | 1 | 1 |
| Michael Esper | Donald Pruitt | Kenneth Lane | 1 | 1 |
| Michael Kostroff | Perry Franklin | Evan Braun | 1 | 1 |
| Mike Starr | Russell Gertz | Truck Driver | 1 | 1 |
| Pasha Lychnikoff | Ruslan Krasnov | Daniel Rublev | 1 | 1 |
| Peter McRobbie | Milton Van Kirk | Judge Walter Bradley | 1 | 1 |
| Sam McMurray | Cameron Maranek | Judge Steve Nelson | 1 | 1 |
| Tyron Jones | Deron | Lt. Ryan Barkley | 1 | 1 |
| Andrew Rothenberg | Finn | David Costa | 1 | 1 |
| Charlie Semine | Stewart Pringle / Wilson Kubiak | Bruce Theobald | 1 | 1 |
| Damian Young | Special Agent Breslin | Dan Powell | 1 | 1 |
| Geneva Carr | Rebecca Burrell | Jenny Newhall | 1 | 1 |
| Kelly AuCoin | Grey Suit | Alan Wallace | 1 | 1 |
| Kevin Mambo | Warehouse Manager | Sal, Tom McDaniel | 1 | 2 |
| Orlagh Cassidy | Maris | Carol Oberlin | 1 | 1 |
| Philip Casnoff | Jack McGill | Judge Stephen Cyrus | 1 | 1 |
| Portia | Marjorie | Pamela Henson | 1 | 1 |
| Terry Serpico | Wallace Turk | Chief Tommy McGrath | 1 | 1 |
| Tom Galantich | Brian Watt | Thomas Williams | 1 | 1 |
| Albert Jones | Benny Cordero | Terence | 1 | 1 |
| Daniel Abeles | Leonard Oosthuizen | Ryan Elliott | 1 | 1 |
| David Aaron Baker | Joe Leshner | Daniel DeLuca | 1 | 1 |
| Dennis Flanagan | Jeremy | Derek Quinn | 1 | 1 |
| Elia Monte-Brown | Kamala | Suzanne Forrester | 1 | 1 |
| Mark Lotito | Phil Righetti | Alan Conner | 1 | 1 |
| Maureen Sebastian | S.S.A. Tanyag | Vanessa Keller | 1 | 1 |
| Michael Countryman | Barry Kemper | Howard Grant | 1 | 1 |
| Michael Mulheren | Detective | Judge Harrison Taylor | 1 | 1 |
| Noelle Beck | Peri Delancey | Stephanie Mulroney | 1 | 1 |
| Stephen DeRosa | Mel Cheney | Al Festov | 1 | 1 |
| Tijuana Ricks | Teri | Commissioner | 1 | 1 |
| Yaegel T. Welch | Lead ESU Officer | Detective Ray Wallace | 1 | 1 |
| Audrey Lynn Weston | Beka | Dr. Shannon Andrews | 1 | 1 |
| J. Bernard Calloway | Vince Boden | Attorney Marcus Wallace | 1 | 1 |
| James Michael Reilly | Walter Devlin | Insurance CEO Two | 1 | 1 |
| Katrina Lenk | Sonia Horvat | Brenda Fallon | 1 | 1 |
| Lee Sellars | Jerry Bice | Greg Matz | 1 | 1 |
| Mandy Siegfried | Ellen Pierce | Mrs. Foster | 1 | 1 |
| Mike Houston | Marty Bledsoe | Matt Walsh | 1 | 1 |
| Stephen Kunken | Dr. Carrow | Sam Bennett | 1 | 1 |
| Triney Sandoval | George | Manny Carter | 1 | 1 |
| Amelia Workman | Cora | Dr. Georgia Lebow | 1 | 1 |
| Daniel Oreskes | Lloyd Springer | Merrill "Bud" Rush | 1 | 1 |
| Gilbert Cruz | Older Detective | Ron Moffit | 1 | 1 |
| Jason Manuel Olazábal | Nick Evaneer | Rick | 1 | 1 |
| Jennifer Van Dyck | Alyssa Talbott | Dr. Elaine Clemens | 1 | 1 |
| Jorge Luna | Cop #1 | Dr. Ian Hopkins | 1 | 1 |
| Kushtrim Hoxha | Murat Celik | Pavlo Golub | 1 | 1 |
| Merritt Janson | Mallory | Carla Braun | 1 | 1 |
| Michael Bakkensen | Reporter #1 | Sergeant Major Bryce Crawford | 1 | 1 |
| Michelle Duffy | Carol Finelli | Natalie Hart | 1 | 1 |
| Peter Benson | Blake Tanner | Horace Penner | 1 | 1 |
| Ryan McCarthy | Sheriff's Officer #1 | Mark Spencer | 1 | 1 |
| Steve M. Robertson | Adam Braun | Ryan Brady | 1 | 1 |
| Catrina Ganey | Maid | Leanne Booker | 1 | 1 |
| Jade Wu | Elderly Woman | Judge Carol Ward | 1 | 1 |
| Jeremy Shamos | Dr. Paul Sutherland | Carlton Kelly | 1 | 1 |
| Lisa Arrindell Anderson | Ethiopian Consul | Veronica King | 1 | 1 |
| Max Von Essen | Clyde Staller / Jeff Danks | Rhett Richards | 1 | 1 |
| Misha Kuznetsov | Marko Zubkov | Sergei Parkov | 1 | 1 |
| Patricia R. Floyd | Moderator | Aunt Althea | 1 | 1 |
| Thomas Ryan | Donald Hauser | Judge Robert Garfunkel | 1 | 1 |
| Tom Day | Uniform | AUSA Patrick Alexander | 1 | 1 |
| Arash Mokhtar | Middle Eastern Diplomat 1 | Dr. Kurt Galen | 1 | 1 |
| Danny Garcia | Foreman | Virgil Gilbert | 1 | 1 |
| Eric Engleman | Security Guard | Mark Zanford | 1 | 1 |
| Howard W. Overshown | Detective | Defense Attorney Kyle Rowen | 1 | 1 |
| Marcus Ho | Lenny Fong | Professor Tao Chen | 1 | 1 |
| Rebecca Hirota | Receptionist | Attorney Wendy Carris | 1 | 1 |
| Richard H. Blake | Lawyer Josh | Chris Wood | 1 | 1 |
| Whitney Kimball Long | Sophie | Sarah Chase | 1 | 1 |
| Gene Farber | Janko Stepovic | Andre Lenkov | 1 | 1 |
| Matthew Boston | Mack Leehoven | Steven Reed | 1 | 1 |
| Brynne McManimie | Libby | Brooke Weston | 1 | 1 |
| Julienne Hanzelka Kim | Shauna Milius | Dr. Gladys Infante | 1 | 1 |
| Megan Byrne | Doctor | Forensic Technician Myra Camp | 1 | 1 |
| Bowman Wright | Waylan Deer | Owen Burroughs | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.