All 69 actors in both Cheers and Seinfeld
69 actors have appeared in both Cheers and Seinfeld, across 453 episodes. The most-credited is Phil Morris, Exterminator #2 in Cheers and Jackie Chiles in Seinfeld.
| Actor | In Cheers | In Seinfeld | Eps | Eps |
|---|---|---|---|---|
| Phil Morris | Exterminator #2 | Jackie Chiles | 1 | 6 |
| Brenda Strong | Vicki | Sue Ellen | 1 | 4 |
| Eric Christmas | Father Barry | Haarwood | 4 | 1 |
| Frances Bay | Mrs. Enid Brubaker | Mabel | 1 | 3 |
| Raye Birk | Walt Twitchell | Mr. Pless | 3 | 1 |
| Vaughn Armstrong | Mr. Osborn, Uncle Val | Lt. Coleman | 2 | 2 |
| Alex Trebek | Alex Trebek | Alex Trebek | 1 | 1 |
| Anthony Cistaro | Henri | Joel | 5 | 1 |
| Carol Kane | Amanda Boyer | Corinne | 1 | 1 |
| Don Amendolia | Henry "Hank" Zenzola | Dennis | 1 | 1 |
| Eric Allan Kramer | Rudy | Biker | 1 | 1 |
| John Paragon | Grif Palmer | Cedric | 1 | 3 |
| Steve Kehela | Group Member #2 | Intervenor | 1 | 1 |
| Ernie Sabella | Santo Carbone, Stan | Naked Man | 2 | 1 |
| Philip Baker Hall | City Councilman Kevin Fogerty | Lt. Bookman | 1 | 2 |
| Walter Olkewicz | Wally Bodell | Nick | 1 | 2 |
| Ann Morgan Guilbert | Marge Thornhill | Evelyn | 1 | 3 |
| Christopher Carroll | Ed | Maitre'd | 2 | 1 |
| Daniel Gerroll | Chef Maurice | Simon | 2 | 1 |
| Joel Polis | Gary | Reilly | 3 | 1 |
| John Fleck | Baliff | Attendant | 1 | 1 |
| Joseph V. Perry | Santa #3 | Newstand Owner | 1 | 1 |
| Kevin Dunn | Jim McNulty | Joel | 1 | 1 |
| Marcia Cross | Susan Howe | Dr. Sara Sitarides | 1 | 1 |
| Mark Harelik | Reed Manchester | Milos | 1 | 1 |
| Michael Fairman | Dutch Kincaid | Mr. Pensky | 1 | 1 |
| Valerie Mahaffey | Valerie Hill | Patrice | 1 | 1 |
| Greg Collins | Exterminator #1, Greg | Policeman | 2 | 1 |
| Henry Woronicz | Cap Richards | Father Curtis | 1 | 2 |
| Herb Mitchell | Mort Sherwin, Tom | Business Man #1 | 2 | 1 |
| Patrick Cronin | Bert Simpson | Farkus | 1 | 2 |
| Peter Keleghan | Kirby | Lloyd Braun | 2 | 1 |
| Chelsea Noble | Laurie Marlowe | Danielle | 1 | 1 |
| Don Perry | Hotel Manager | Bill | 1 | 1 |
| Edward Penn | Prisoner | Owen | 1 | 1 |
| George Wendt | George | George Wendt | 1 | 1 |
| James Karen | Dr. Bennett Ludlow | Mr. Canterman | 1 | 1 |
| John Posey | Lars | Dr. Fein | 1 | 1 |
| Mirron E. Willis | Deliveryman | Officer #1 | 1 | 1 |
| Perry Anzilotti | Promoter | Usher | 1 | 1 |
| Raf Mauro | Reporter | Car Washer | 1 | 1 |
| Rebecca Staab | Debbie | Kristin | 1 | 1 |
| Walter Addison | Justice of the Peace | Man | 1 | 1 |
| Sharon Barr | Connie, Dot Carroll | Trucker | 2 | 1 |
| Anthony Starke | Slim | Jimmy | 1 | 1 |
| Cleto Augusto | Police Photographer | Scott | 1 | 1 |
| Clive Rosengren | Doug Aducci | Mr. Clotworthy, Waiter | 1 | 2 |
| Daryl Keith Roach | Judge #1 | Blind Violinist / Cop | 1 | 1 |
| Ray Stricklyn | Ed | Clarence Eldridge | 1 | 1 |
| Richard Roat | Mr. Hecht | Dr. Berg | 1 | 1 |
| Bari K. Willerford | Hanson | Ron | 1 | 1 |
| Bradford English | Chuck | Cop | 1 | 1 |
| Carol Ann Susi | Angeline | Carrie | 1 | 1 |
| Donald Gibb | Tiny | Letter S in Devils Body Painter | 1 | 1 |
| Glenn Shadix | Bernard | Harold | 1 | 1 |
| Neal Lerner | Emcee | The Shusher | 1 | 1 |
| Richard McGonagle | Customer #2 | Mr. Star | 1 | 1 |
| Roger Eschbacher | Jules | Man with Cane | 1 | 1 |
| Barry Cutler | Tourist #2 | Policeman #2 | 1 | 1 |
| Bill Gratton | Justice of the Peace #2 | Postal Official | 1 | 1 |
| Christopher Darga | Christopher | Driver | 1 | 1 |
| Ellen Gerstein | Mo McSweeney | Carol | 1 | 1 |
| Erick Avari | Mr. Cranston | Cabbie | 1 | 1 |
| James F. Dean | Policeman #2 | Larry | 1 | 1 |
| Laura Waterbury | Juror #2 | Casting Director | 1 | 1 |
| Terri Hanauer | Auction Bidder | Julianna | 1 | 1 |
| Wesley Thompson | Photographer | Poker Player #2 | 1 | 1 |
| Mike Hagerty | Decker | Rudy | 1 | 1 |
| William B. Jackson | Juror #1 | Doctor | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.