All 133 actors in both CSI: Crime Scene Investigation and Seinfeld
133 actors have appeared in both CSI: Crime Scene Investigation and Seinfeld, across 517 episodes. The most-credited is Wayne Knight, Mr. Terrence Lombard in CSI: Crime Scene Investigation and Newman in Seinfeld.
| Actor | In CSI: Crime Scene Investigation | In Seinfeld | Eps | Eps |
|---|---|---|---|---|
| Wayne Knight | Mr. Terrence Lombard | Newman | 1 | 49 |
| Melinda Clarke | Lady Heather | Alex | 8 | 1 |
| Steve Hytner | John Claddon | Bania | 1 | 6 |
| Lauren Bowles | Ellen | Waitress, Blonde Longhaired Woman, Waitress #1 | 1 | 9 |
| Ping Wu | Coroner | Ping | 1 | 4 |
| Wayne Wilderson | Paramedic Edwin Kelso | Walter | 6 | 4 |
| Brian George | Dr. Parayan | Babu Bhatt | 1 | 3 |
| Edie McClurg | Madge | Mrs. Oliver | 2 | 1 |
| Tim DeKay | Neal Matthews | Kevin | 1 | 2 |
| Tom Wright | Bob Harris, Jake Daniels | Morgan, Executive | 2 | 4 |
| Vaughn Armstrong | Dr. Dennis Keil | Lt. Coleman | 1 | 2 |
| Brenda Strong | Dr. Leigh Sapien | Sue Ellen | 1 | 4 |
| Gina Hecht | Donna Wetzel, Mrs. Buckley | Dana Foley | 2 | 3 |
| James Patrick Stuart | Adam Matthews | Brett | 4 | 1 |
| Tony Amendola | Professor Rambar, The Super | Rushdie | 3 | 2 |
| Bruce Davison | Avery Tinsdale | Wyck | 1 | 3 |
| Cary Elwes | Police Officer | David Lukner | 1 | 1 |
| Kari Coleman | Mrs. Sheila Beck | Allison | 1 | 3 |
| Katherine LaNasa | Ginger | Cathy | 1 | 1 |
| Maggie Wheeler | Female Comic | Cynthia | 1 | 1 |
| Marlee Matlin | Julia Holden | Laura | 1 | 1 |
| Melinda McGraw | Mrs. Griffin | Angela | 1 | 1 |
| Robert Wagner | Teddy | Dr. Abbott | 1 | 1 |
| Tawny Kitaen | Lydia Kole | Isabel | 1 | 1 |
| Thomas Dekker | Jimmy Jones | Bobby, Son (Porter) | 1 | 3 |
| Toby Huss | Frank Sinatra/Jeff Levitt | Jack | 1 | 1 |
| Tony Plana | Elindio Zapata | Manny | 1 | 1 |
| Tom Gallop | Attorney Randy Painter | Alan | 4 | 1 |
| Jessica Hecht | Carly Beck | Lindsay | 1 | 2 |
| Lee Arenberg | Joey | Mike | 1 | 2 |
| Matt McCoy | Simon Weber | Lloyd Braun | 1 | 2 |
| Michael Milhoan | Bartender | Security Guard | 2 | 1 |
| Susan Walters | Harper Fitzgerald | Dolores, Mystery Woman | 1 | 2 |
| Dayton Callie | Ernie Edward Dell | Cabbie | 3 | 1 |
| Greg Collins | Officer Arvington | Policeman | 4 | 1 |
| Carlos Jacott | Dr. Garner | Ramon | 1 | 2 |
| Don McManus | Ed Burrows, Francis Lavalle | Duncan | 2 | 1 |
| Eric Allan Kramer | Deputy Sheriff, Vic Patterson | Biker | 2 | 1 |
| Jack McGee | Richard O'Malley, Road manager | Ralph | 2 | 1 |
| John D'Aquino | Gavin Fenish | Todd Gack | 1 | 1 |
| Kristin Bauer | Kenli Johnson | Gillian | 1 | 1 |
| Louis Mustillo | Knife Expert | Phil | 1 | 1 |
| Marcia Cross | Julia Fairmont | Dr. Sara Sitarides | 1 | 1 |
| Peter Stormare | George "Binky" Babinkian | Slippery Pete | 1 | 1 |
| Rif Hutton | Vernon Porter | Salesman | 1 | 1 |
| Susan Diol | Beth Dunbar, Janet Hughes | Audrey | 2 | 1 |
| Valerie Mahaffey | Dora Pomerantz | Patrice | 1 | 1 |
| Vic Polizos | Gus DiFusco | Tabachnik | 1 | 1 |
| W. Earl Brown | Slick, Thomas Pickens | Al | 2 | 1 |
| John Capodice | Lou Gedda | Vic | 3 | 1 |
| Anthony Mangano | Male Passenger | Fireman, Sailor | 1 | 2 |
| Frank Novak | Judge | Clerk | 2 | 1 |
| Sonya Eddy | Cab Dispatcher | Rebecca DeMornay | 1 | 2 |
| Armin Shimerman | Oscar | Stan | 1 | 1 |
| Harry Van Gorkum | Jake Lenoir | Craig | 1 | 1 |
| Illeana Douglas | Ruby Banks | Loretta | 1 | 1 |
| James Lesure | Dr. Emmett | Office Worker | 1 | 1 |
| Jeremiah Birkett | Wilbur Tandy | Jean-Paul | 1 | 1 |
| Jeremy Roberts | Mr. Arnz | Chauffer | 1 | 1 |
| Jessica Tuck | Sally West | Bonnie | 1 | 1 |
| Larry Hankin | Old Stoner Dude, Zapata Childs | Tom Pepper (Kramer) | 2 | 2 |
| Ramon Franco | Diego Barra | Mailman | 1 | 1 |
| Rebecca McFarland | Jason Kent's Attorney | Anna | 1 | 1 |
| Richard Burgi | Rick Weston | Ben | 1 | 1 |
| Vince Grant | Mr. Sorensen | Hal Kitzmiller | 1 | 1 |
| Anthony Starke | Matt Hudson, Richard Palento | Jimmy | 2 | 1 |
| Brian McNamara | Steve Anderson | James | 1 | 1 |
| Colton James | Chalie Easton, Zack Fenish | Jimmy | 2 | 1 |
| Jenica Bergere | Concierge | Leslie | 1 | 1 |
| John Michael Higgins | Anthony Caprice | Kurt | 1 | 1 |
| Larry Thomas | Convenience Store Clerk | Soup Nazi | 1 | 2 |
| Melora Walters | Sage | Jane | 1 | 1 |
| Michael Des Barres | Marty "The Cat" Kirch | Restaurateur | 1 | 1 |
| Neil Giuntoli | ATM Thief | Brody | 1 | 1 |
| Pat Asanti | Robert "Bob" Graham, Shop Foreman | Electrician | 2 | 1 |
| Patrick Bristow | Lionel Rose | Wig Master | 1 | 1 |
| Paula Marshall | Ms. Kathy Veck | Sharon | 1 | 1 |
| Stan Sellers | Bank Manager | Cop #2, McAdam | 1 | 2 |
| Suzanne Cryer | Dr. Jennifer Grier | Marcy | 1 | 1 |
| Timothy Omundson | Producer | Ricky | 1 | 1 |
| Patricia Bethune | Teacher, Wilma Shaw | Walker #3 | 2 | 1 |
| Daniel Dae Kim | Special Agent Beckman | Student #1 | 1 | 1 |
| George Murdock | Stuart Manslow | Testikov | 1 | 1 |
| Jeff Yagher | Brett McDowell | John | 1 | 1 |
| Joe Ochman | Bird Watcher | Customer | 3 | 1 |
| Julia Campbell | Janet Marie Marsh | Lisi | 1 | 1 |
| Markus Flanagan | Hotel Manager | Charles | 1 | 1 |
| Merrin Dungey | Twyla Owens | Cashier | 1 | 1 |
| Stephen Root | Michael Kirkwood | Mr. Lager | 1 | 1 |
| Wendie Malick | Donna Eiger | Wendy | 1 | 1 |
| Jerry Hauck | Mr. Parker | Tim | 1 | 1 |
| Joel Polis | Judge Silvio Peters | Reilly | 1 | 1 |
| Perry Anzilotti | Businessman | Usher | 1 | 1 |
| Robert Mailhouse | Character played: Les Dutton | Robert | 1 | 1 |
| Stephen Lee | Dominic Kretzker | Conrad | 1 | 1 |
| Ben Reed | Willis | Male Nurse | 1 | 1 |
| Dublin James | Dennis Fram | Maurice | 1 | 1 |
| John F. O'Donohue | Carl Mercer | Gus | 1 | 1 |
| June Kyoto Lu | Mrs. Lee | Ruby | 1 | 1 |
| Kellie Waymire | Carla Dantini | Vivian | 1 | 1 |
| Maggie Egan | Woman | Ticket Clerk | 1 | 1 |
| Mari Weiss | Foreman | Woman #1 | 1 | 1 |
| Patrick Kerr | Gregory Kimble | La Forge - Clerk | 1 | 1 |
| Ray Proscia | John Himmel | Bobby | 1 | 1 |
| Rebecca Staab | Chelsea | Kristin | 1 | 1 |
| Todd Jeffries | Foreman | Blaine | 1 | 1 |
| Vito D'Ambrosio | Alfonz DeRosa | Cop | 1 | 1 |
| Jeris Lee Poindexter | Grandpa Calvin | Man | 1 | 1 |
| John Kapelos | Duke Rittle | Barry | 1 | 1 |
| Kim Gillingham | Vanessa Arnz | Assistant | 1 | 1 |
| Mark Tymchyshyn | Mr. Evans | Phil Totola | 1 | 1 |
| Meagen Fay | Rochelle Dorley | Mrs. Burns | 1 | 1 |
| Neil Flynn | Officer Yarnell | Cop #1 | 1 | 1 |
| René Ashton | Receptionist | Ex-Girlfriend | 1 | 1 |
| Blake Gibbons | Doyle Mars | Lyle | 1 | 1 |
| Dave Florek | Old Man | Harry | 1 | 1 |
| French Stewart | Alien Minister | Manager | 1 | 1 |
| Julio Oscar Mechoso | Dr. Rafael Blanco | Julio | 1 | 1 |
| Katy Selverstone | Amber Hamshaw | Siena | 1 | 1 |
| Miguel Pérez | Eduardo Maytorena | Luis | 1 | 1 |
| Dedee Pfeiffer | Erin Brady | Victoria | 1 | 1 |
| Dyana Ortelli | Marlene | Chambermaid | 1 | 1 |
| Martin Chow | Clucker #2 | Lew | 1 | 1 |
| Tim De Zarn | Mr. Carlton | Salesman | 1 | 1 |
| Connie Sawyer | Old Lady | Old Woman | 1 | 1 |
| Courtney Gains | Stan Gerber | Clerk | 1 | 1 |
| Jonathan Penner | Det. Travis | Zach | 1 | 1 |
| Jodi Carol Harrison | Darlene Crocker | Monk's Diner Patron | 1 | 1 |
| Grant Heslov | Coroner Corbett | Car Thief | 1 | 1 |
| Marco Rodríguez | Carlos' Lawyer | Guillermo | 1 | 1 |
| Van Epperson | Judge | Passerby | 1 | 1 |
| Raymond O'Connor | Salesman | Night Doorman | 1 | 1 |
| Scott Klace | Carl Johnson | Guard | 1 | 1 |
← CSI: Crime Scene Investigation × Seinfeld
Cast data from TVmaze, licensed CC BY-SA 4.0.