All 52 actors in both Fantasy Island and Simon & Simon
52 actors have appeared in both Fantasy Island and Simon & Simon, across 310 episodes. The most-credited is John Davis Chandler, Barker, Bellamy, Ed Larson in Fantasy Island and Arnie Roberts, Charlie, Harry Brookmueller in Simon & Simon.
| Actor | In Fantasy Island | In Simon & Simon | Eps | Eps |
|---|---|---|---|---|
| John Davis Chandler | Barker, Bellamy, Ed Larson | Arnie Roberts, Charlie, Harry Brookmueller | 6 | 3 |
| Stuart Whitman | Charles Wesley, Franklin Adams, Jesse Moreau | Buck Yancy/Rough Rider | 7 | 1 |
| Peter Graves | "Singapore" Eddie Malone, Captain Hendrik Von Horten, George Galloway | Wade Christian | 5 | 1 |
| Alan Hale Jr. | Al Bond, Corky, Judge Winston | Bartender at Broken Saddle, Silk McNabb | 3 | 2 |
| Morgan Woodward | Marshal Victor Grennan, Nick Hall, Tribal Elder | Jim-Bob Raymond | 4 | 1 |
| Rosemary Forsyth | Dr. Melanie Elisabeth Griffin, Lily Burton, Margo Glenn | Ellen Lottick, Lisa Bannon | 3 | 2 |
| Lyle Waggoner | Al Adams, Gilberto DeVincenzo, Monty | Don Manning | 3 | 1 |
| Robert Casper | Pitou | Perkins, Mr. Smithers | 1 | 3 |
| Ruta Lee | Connie Thomas, Lily Niles, Rachel Andrews | Penny Russell | 3 | 1 |
| David S. Cass, Sr. | First Heavy, Fitz, Luke | Ashley, Bodyguard #2, P.I. Elmore | 3 | 4 |
| Doug McClure | Brent Harris, Craig Bradshaw | Murphy | 2 | 1 |
| Edd Byrnes | Al Henshaw, Neil Martin, Nona's Pimp | Barry L. Fastman, Howard Hunk, Steve Yellen | 4 | 2 |
| Erin Gray | Carla Marco, Laura Jensen | Vicki Whittaker | 2 | 1 |
| John Schuck | Chuck Hoffman, Mark Hendricks | Frank Campbell | 2 | 1 |
| Christopher Connelly | Bill Cummings, Captain Hampsted, Dr. Richard Yates | Reimers | 4 | 1 |
| Arlene Golonka | Ava Foster, Elaine Price, Gretchen Wassermann | Joyce Allreed | 3 | 1 |
| Chuck Hicks | Logan, the Bully / Butler, the Sheriff | Angry Man | 3 | 1 |
| Dennis Patrick | Theodore Chandler | Admiral Danforth | 1 | 1 |
| Henry Gibson | Fred Wade | Herbert T. Dowd | 1 | 1 |
| Jack Riley | Henley | Dr. Robert Medlow | 1 | 1 |
| James Shigeta | General Lin Sun | Musashi Sato | 1 | 1 |
| Marie Windsor | Madame Estelle Vorick | Wanda | 1 | 1 |
| Ralph Manza | Chef Henri | Hotel Manager | 1 | 1 |
| Robert Sterling | Walter Rawlin | Arthur Bristol/Michael Wells | 1 | 1 |
| William Boyett | Hank | Harrison | 1 | 1 |
| Dick Butkus | Derrick Haskell, Moose Maloney | Joe Blake | 2 | 1 |
| Ray Walston | Mayor George Miller | Danny 'The Milwaukee Kid' Chesney, Rockwell Stark | 1 | 2 |
| Belinda Montgomery | Minnie Hale | Laura Dennison | 1 | 1 |
| Darleen Carr | Dora Delaney | Dr. Sawyer | 1 | 1 |
| Markie Post | Amy Marshall, Doreen Murphy | Caroline Christian | 2 | 1 |
| Rosemary DeCamp | Carol Cook | Mrs. Martin | 1 | 1 |
| Sal Viscuso | Prosecutor | Willy Hoag | 1 | 1 |
| Thomas Callaway | Lance | Connell | 1 | 1 |
| Charlie Dell | Usher | Russell Tiegs | 1 | 1 |
| Don Stroud | Orville Weems, Peter A. Galloway, Ross Hayden | Arnold | 3 | 1 |
| Katherine Moffat | Angie Gordon | Diane Pierce | 1 | 1 |
| Kathrine Baumann | Kathi Fox | Rhonda Fairbanks | 1 | 1 |
| Roger Til | Old Man | Andre | 1 | 1 |
| Wayne Grace | Big Red | Jack | 1 | 1 |
| Michael Ansara | Marco, Pharaoh Ptolemy | Bill Waller | 2 | 1 |
| Barry Sattels | Cal Jordan | Derek Thorne | 1 | 1 |
| James Wainwright | Jake Lawrie | Toby Hannan | 1 | 1 |
| K.C. Winkler | Tawny | Cindy | 1 | 1 |
| Matthew Tobin | Harvey | Siggy Teitalman | 1 | 1 |
| Michael Gregory | Frank Harding | Tony | 1 | 1 |
| Roy Jenson | Snuffy Harris | Nelson | 1 | 1 |
| Alex Donnelley | the Nurse | Barbara the police officer | 1 | 1 |
| Broderick Crawford | Jake Dutton | Kern Barnett | 1 | 1 |
| Eduardo Ricard | Maitre d' | El Presidente Ramon | 1 | 1 |
| Ken Swofford | Fix | Lloyd Getz | 1 | 1 |
| Gene LeBell | the Referee | James T. Reedy | 1 | 1 |
| Steve Franken | Wes Perry | Tunridge | 1 | 1 |
← Fantasy Island × Simon & Simon
Cast data from TVmaze, licensed CC BY-SA 4.0.