All 61 actors in both Murder, She Wrote and Three's Company
61 actors have appeared in both Murder, She Wrote and Three's Company, across 434 episodes. The most-credited is Jenilee Harrison, Serena in Murder, She Wrote and Cindy Snow in Three's Company.
| Actor | In Murder, She Wrote | In Three's Company | Eps | Eps |
|---|---|---|---|---|
| Jenilee Harrison | Serena | Cindy Snow | 1 | 16 |
| Richard Kline | Larry Kinkaid | Larry Dallas | 1 | 12 |
| Anne Schedeen | Julia Granger | Linda, Lisa Page, Louise Prescott | 1 | 5 |
| Jeffrey Tambor | Russell Armstrong | Dr. Phil Greene, Dr. Tom Miller, Winston Cromwell III | 1 | 3 |
| Peter Mark Richman | Lamar Bennett | Reverend Snow | 1 | 3 |
| Sondra Currie | Carol Kendall | Arlene Price, Shelley Green, Sherry Lee | 1 | 3 |
| Christina Hart | Sister Maria | Francesca Angelino, Karen | 1 | 2 |
| Elaine Giftos | Lonnie Valerian | Darlene, Randy Buckley | 1 | 2 |
| John McCook | Harrison Fraser III | Alan, Doug Cooper | 1 | 2 |
| Keene Curtis | Jerome Mueller | Andrew Gainer, Dr. Todson | 1 | 2 |
| Rod McCary | Kenneth Chambers | Bill Martin, Gregg Halliday | 1 | 2 |
| Ruta Lee | Renee | Marsha Whitewood, Mrs. Dawson | 1 | 2 |
| Stanley Kamel | Frankie The Barman, Sid Staples | Clean Cut Man | 2 | 1 |
| William Cort | Ray | Dr. Porter, Mr. Sneff | 1 | 2 |
| Macon McCalman | Hotel Detective Fritz Rice, Nolan Hayes | Roland Wood, Mr. Penrose | 2 | 3 |
| Anne Ramsey | Bag Lady | Woman at Bank | 1 | 1 |
| Audra Lindley | Maggie Saunders | Helen Roper | 1 | 1 |
| Barry Williams | Nate Findley | David Winthrop | 1 | 1 |
| Beau Starr | Policeman on Boat | Officer | 1 | 1 |
| Bob Hastings | Eddie Bender | John Callan | 1 | 1 |
| Gary Grubbs | Mark Berringer | Harry | 1 | 1 |
| John Brandon | Ernie | Captain James | 1 | 1 |
| John David Carson | Larry Burns | Bradley Hastings | 1 | 1 |
| Robert Mandan | Irving Randolph | James Bradford | 1 | 3 |
| Victoria Carroll | Melanie Barker | Tina | 1 | 1 |
| Ben Slack | Burnsie, Frank Christy | John | 2 | 1 |
| Bob Tzudiker | Agent, Clerk | Mr. Jones | 2 | 1 |
| Fran Ryan | Rose Mulligan | Grace, Hilda | 1 | 2 |
| John Miranda | Gus, Prop Man | Bill | 2 | 1 |
| Norman Fell | Lt. Ralph Rupp, Vince Shackman | Stanley Roper | 2 | 1 |
| Terry Kiser | Gordon LaMonica, Wally Bryce | Max, Mr. Canon | 2 | 2 |
| Barrie Youngfellow | Olivia Hudson | Debbie | 1 | 1 |
| Dennis Cole | Mitch Mercer, Ryan Donovan | Brett Wade | 2 | 1 |
| Dick O'Neill | Benny Tibbles | Walter Nessle | 1 | 1 |
| Dick Sargent | George Selby | Lloyd Cross | 1 | 1 |
| Emory Bass | Jonathan Barish, Manager | Maitre D' | 2 | 1 |
| Floyd Levine | Archie Miles | Security Officer | 1 | 1 |
| Granville Van Dusen | Congressman Brad Gardner | Ray Martin | 1 | 1 |
| Gwen Humble | Martha Craig | Arabella | 1 | 1 |
| Patricia Barry | Mrs. Belle Pentworth | Mrs. Claremont | 1 | 1 |
| Toni Lamond | Ad-Lib Woman | Patient | 1 | 1 |
| Archie Lang | Minister | Barry | 1 | 1 |
| Ellen Crawford | Muriel | Brenda McNair | 1 | 1 |
| Fay DeWitt | Sister Mary-Margaret | Woman in Flower Shop | 1 | 1 |
| Frank Aletter | Wendell Joyner | Tom Latham | 1 | 1 |
| Gary Hollis | Man | David | 1 | 1 |
| Ian Abercrombie | Dr. Blandings | Lawyer | 1 | 1 |
| Jack Scalici | TV Newsman #1 | Assistant | 1 | 1 |
| Joan Roberts | Janet Paisley | Secretary | 1 | 1 |
| Kay Freeman | Nurse | Mildred Angelino | 1 | 1 |
| Stuart Nisbet | George Greer | Mr. Crawford | 1 | 1 |
| Ellen Travolta | Mona | Mrs. Marconi | 1 | 1 |
| James Staley | Fouchet | Special Agent Banning | 1 | 1 |
| John C. Becher | Optometrist, Station Master | Mr. Gretski | 2 | 1 |
| Ken Olfson | TV Book Critic | Patrick Townsend | 1 | 1 |
| Wendy Kilbourne | Susan Ainsley | Chucky Jeans model | 1 | 1 |
| Joy Garrett | Sharon King | Shirley | 1 | 1 |
| Paul Marin | Florist Delivery Man | Mr. Peabody | 1 | 1 |
| Cynthia Harris | Phyllis Thurlow | Mrs. Layton | 1 | 1 |
| Earl Boen | Sgt. Howard Sternhagen | Reverend Gilmore | 1 | 1 |
| John Callahan | Garrett "Gary" Harper | Handsome socialite flirting with Terri | 1 | 1 |
← Murder, She Wrote × Three's Company
Cast data from TVmaze, licensed CC BY-SA 4.0.