All 113 actors in both Cheers and ER
113 actors have appeared in both Cheers and ER, across 604 episodes. The most-credited is Troy Evans, Cop in Cheers and Frank Martin in ER.
| Actor | In Cheers | In ER | Eps | Eps |
|---|---|---|---|---|
| Troy Evans | Cop | Frank Martin | 1 | 129 |
| Leland Orser | Mark | Dr. Lucien Dubenko | 1 | 61 |
| Frances Sternhagen | Esther Clavin | Millicent Carter | 8 | 19 |
| Dan Hedaya | Nick Tortelli | Herb Spivak | 6 | 4 |
| Keene Curtis | John Allen Hill | Gilbert McCabe | 15 | 1 |
| Perry Anzilotti | Promoter | Dr. Perry (Anesthesiologist), Ed | 1 | 22 |
| Eric Christmas | Father Barry | Mr. Heath | 4 | 1 |
| Raye Birk | Walt Twitchell | Mr. Hartley | 3 | 1 |
| Michael B. Silver | Customer | Dr. Paul Myers | 1 | 12 |
| Alex Nevil | Martin Teal | Mr. Dorset | 2 | 1 |
| Bette Ford | Irene Blanchard | Princess Taffeta | 2 | 1 |
| Bruce Wright | Bowler | George Dunleavy, Pilot Gordon | 1 | 2 |
| Peter Kevoian | Fireman Peter | Arthur Toby | 2 | 1 |
| Matthew Glave | Bartender | Dr. Dale Edson | 1 | 15 |
| Charles Noland | Hockey Buddy #1 | E. Ray Bozman | 1 | 12 |
| Christopher Graves | Frederick Crane | Danny Dellanova | 6 | 1 |
| Carmen Argenziano | Marvin | Howard Davis | 1 | 1 |
| Frances Bay | Mrs. Enid Brubaker | Georgia | 1 | 1 |
| James Gallery | George Foley | Seedy Man | 1 | 1 |
| Jarrett Lennon | Ludlow Tortelli | Billy | 3 | 1 |
| John Mahoney | Sy Flembeck | Bennett Cray | 1 | 1 |
| Kenneth Tigar | Dr. Lowell Greenspon, Fred | Dr. Keinholz | 2 | 2 |
| Robert Prosky | Franklin Howe | Wayne Rutley | 1 | 1 |
| Sam Scarber | Lewis | Mr. Parnell, Willy Archibald | 2 | 2 |
| Tegan West | Warren Thompkins | Construction Boss | 1 | 1 |
| Kevin Graves | Frederick Crane | Josh Dellanova | 6 | 1 |
| Mirron E. Willis | Deliveryman | Detective Watkins | 1 | 4 |
| Valerie Mahaffey | Valerie Hill | Joi Abbott | 1 | 4 |
| Steve Vinovich | High Sultan | Wayne Lentloff | 1 | 2 |
| Eric Payne | Customer | Billy Wilder, Cop, Officer Beechum | 1 | 8 |
| Alan Blumenfeld | Customer #1 | Rob Savage | 1 | 1 |
| Amanda Wyss | Beth Curtis | Mrs. Adams | 2 | 1 |
| Anne Pitoniak | Mary | Ruth Johnson | 1 | 1 |
| Catherine MacNeal | Joanne, Newscaster | Anne | 3 | 1 |
| Cec Verrell | Jennifer McCall | Mrs. Casey | 1 | 1 |
| Don Perry | Hotel Manager | Dr. Stan Breedlove | 1 | 2 |
| Joe Costanza | Ray | Mitchell | 1 | 1 |
| Joseph Whipp | Jack Dalton | Alan | 1 | 1 |
| Larry Brandenburg | Cop | Mr. Lensky | 2 | 1 |
| M.C. Gainey | Irving | Darrion Walters | 1 | 1 |
| Michael Fairman | Dutch Kincaid | Mort Harris | 1 | 1 |
| Nathan Davis | Mr. Quincy | Anton Novotny | 1 | 1 |
| Paul Eiding | Fred | Kaminski | 1 | 1 |
| Pete Willcox | Elvis | Over-The-Hill-Elvis | 1 | 1 |
| Robert Symonds | Mr. Henry Brubaker | Admiral Jay Jackson | 1 | 1 |
| Vaughn Armstrong | Mr. Osborn, Uncle Val | Greg Mitchell | 2 | 1 |
| Walter Olkewicz | Wally Bodell | Georgia's Man | 1 | 1 |
| Anthony Starke | Slim | Dr. Craig | 1 | 2 |
| Herb Mitchell | Mort Sherwin, Tom | Priest | 2 | 1 |
| Lance E. Nichols | Bailiff | Detective Barnes | 1 | 2 |
| Robert Gossett | Customer #3 | Dr. Everett Daniels | 1 | 2 |
| Sid Conrad | Husband | Dosier, Lou | 1 | 2 |
| Charles Esten | Marine | Dr. Barry Grossman | 1 | 4 |
| Anne Haney | Miss Gilder | Mrs. Packer | 1 | 1 |
| Earl Houston Bullock | Bob | Thorpe | 1 | 1 |
| Hamilton Camp | Martin Gallagher | Drunk | 1 | 1 |
| Josh Clark | Jordan Brundidge | Officer McCauly | 1 | 1 |
| Kenneth Kimmins | Fred Wilson | Mr. Spevacek | 1 | 1 |
| Stefan Gierasch | Mr. Anawalt | Daniel | 1 | 1 |
| Terri Hoyos | Auction Bidder | Mrs. Corvalan | 1 | 1 |
| Walter Addison | Justice of the Peace | Mr. Kane | 1 | 1 |
| Alison La Placa | Paula Nelson | Female Lawyer | 1 | 1 |
| David Schall | Chauffeur | Minister | 1 | 1 |
| John Posey | Lars | Mr. Ramsey | 1 | 1 |
| Peter Van Norden | Cymbals Player | Dr. Edwin Bain | 1 | 1 |
| Rick Cramer | Matt | McCormick, Officer O'Bannon | 1 | 2 |
| Tom Astor | Lorenzo | Leahy | 1 | 1 |
| Tony Carreiro | Ken Charters | Brent Smythe | 1 | 1 |
| Wesley Thompson | Photographer | Fritz | 1 | 2 |
| Bari K. Willerford | Hanson | Mr. McDowell | 1 | 1 |
| Carol Ann Susi | Angeline | Mrs. Clark | 1 | 1 |
| Christine Cavanaugh | Terry Gardner | Gloria | 1 | 1 |
| Jennifer Gatti | Laura | Melanie | 1 | 1 |
| John Furey | Larry | Jason Lucas | 1 | 1 |
| Joseph Kell | Waiter | Drunk Driver | 1 | 1 |
| Ken Magee | Barker #2 | Security Guard Manager | 1 | 1 |
| Michael Wiseman | Teammate #2 | Danny (Enforcer) | 1 | 1 |
| Nick DeMauro | Customer | Zumbano | 1 | 1 |
| Roger Eschbacher | Jules | Richard Tuggle | 1 | 1 |
| Sy Richardson | Gordon | Coleman | 1 | 1 |
| Tom Everett | Director | Mr. Kazlaw | 1 | 1 |
| Hawthorne James | Juror #4 | Hawthorne | 1 | 2 |
| Amanda Carlin | Ms. Kurland | Librarian | 1 | 1 |
| Barry Cutler | Tourist #2 | McCollum | 1 | 1 |
| Don Took | Edward | Vinnie Rosato | 1 | 1 |
| James Hornbeck | Dr. Walter Froenmeyer | Dr. David Zaccarria | 1 | 1 |
| Lenny Citrano | Customer #1 | Martin | 1 | 1 |
| Michelle Davison | Flight Attendant | Helen Burke | 1 | 1 |
| Time Winters | Customer | Emil Savka | 1 | 1 |
| Catherine Paolone | Donna Guzzo | Adoption Caseworker | 1 | 2 |
| Bill Gratton | Justice of the Peace #2 | Joe McGinnis | 1 | 1 |
| Christopher Darga | Christopher | Wilson | 1 | 1 |
| Elizabeth Ruscio | Dorothy Greenberg | Sarah Logan | 1 | 1 |
| James C. Victor | Scott | Patrick | 1 | 1 |
| Stephen Rowe | Agent #1 | Mr. Franks | 1 | 1 |
| Dennis Cockrum | Pat McDougall | Little League Player's Father | 1 | 1 |
| Glenn Shadix | Bernard | Eldon | 1 | 1 |
| Hal Havins | Santa #2 | Jacobi | 1 | 1 |
| Jennifer Williams | Mother | Joan | 1 | 1 |
| Mark Harelik | Reed Manchester | James | 1 | 1 |
| Michael Cannizzo | Fireman Mike | Cedrone | 1 | 1 |
| Ralph Meyering, Jr. | FBI Agent Adams | Detective | 1 | 1 |
| Rex Ryon | Rough Looking Guy #1 | Eugene | 1 | 1 |
| Richard Schiff | Tourist | Mr. Bartoli | 1 | 1 |
| Terri Hanauer | Auction Bidder | Mrs. Haggerty | 1 | 1 |
| Tom Troupe | Judge William E. Grey | Tancred Baumgartner | 1 | 1 |
| Mike Hagerty | Decker | Mr. James | 1 | 1 |
| Monty Ash | Mr. Weaver | Old Man w/Dentures | 1 | 1 |
| Ralph P. Martin | Customer #4 | Woody | 1 | 1 |
| Kevin McDermott | Fireman | Gunderson | 1 | 1 |
| Lee Ryan | Bob | Ortho #2 | 1 | 1 |
| Sondra Currie | Katherine Gaines | Dottie Shroeder | 1 | 1 |
| Laura Gardner | Party Guest #1 | Kennedy | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.