All 108 actors in both Fantasy Island and Magnum, P.I.
108 actors have appeared in both Fantasy Island and Magnum, P.I., across 316 episodes. The most-credited is Phyllis Davis, Christy Robbins, Elizabeth Leston, Helen Hendrix in Fantasy Island and Alice Cleopatra "Cleo" Mitchell, Magnum's 1940's Secretary, Tiffy in Magnum, P.I..
| Actor | In Fantasy Island | In Magnum, P.I. | Eps | Eps |
|---|---|---|---|---|
| Phyllis Davis | Christy Robbins, Elizabeth Leston, Helen Hendrix | Alice Cleopatra "Cleo" Mitchell, Magnum's 1940's Secretary, Tiffy | 9 | 8 |
| Paul Burke | Bill Fredricks, Nick Gleason, Noah Jansen / John Saunders | Admiral Hawkes, Admiral Kitchner | 3 | 5 |
| John Saxon | Colin McArthur, Cyrano de Bergerac / Monsieur Berandt Sabatier, Dr. Roger Sullivan | Ed Russler | 6 | 1 |
| Alan Hale Jr. | Al Bond, Corky, Judge Winston | Russell Tate | 3 | 1 |
| Cassie Yates | Joan Field | Betty Windom / Collette, Shelly Faraday | 1 | 2 |
| Celeste Holm | Mabel Jarvis, Sister Veronica | Abigail Baldwin, Carol's Mother | 2 | 1 |
| Christine Belford | Marion Robertson, Melanie Swan | Adelaide Malone | 2 | 1 |
| Denny Miller | Big Earl Sanderson | FBI Agent Longdon, Ox | 1 | 2 |
| Elaine Joyce | Collette Smith, Harriet Winkler | Marina Pepesco | 2 | 1 |
| Erin Gray | Carla Marco, Laura Jensen | Joy "Digger" Doyle | 2 | 1 |
| Judith Chapman | Evelyn Wallace | Louise Jackson, Sarah Clifford/Lisa Page | 1 | 2 |
| Michael Anderson Jr. | Bill, Joe Drake | Garwood Huddle Jr. | 2 | 1 |
| Samantha Eggar | Helena Marsh | Laura Bennett | 2 | 1 |
| Stella Stevens | Maatira, Marion Sommers | Loretta 'Lolly' Zachary van der Post | 2 | 1 |
| Cameron Mitchell | Eddie Collins, Raoul, Sgt. Broylan | Charles Cathcart | 4 | 1 |
| Esmond Chung | Kona | Police Sergeant Kenny Chung | 1 | 4 |
| France Nuyen | Anna, Kito, Mara | Miss Chou | 4 | 1 |
| Darren McGavin | Victor Duncan | "Mad" Buck Gibson | 1 | 1 |
| Henry Gibson | Fred Wade | Ronald Mills | 1 | 1 |
| James Doohan | Governor Gaspar d'Annard | Archie MacPherson | 1 | 1 |
| James Hong | the Butler | Han | 1 | 1 |
| Kathy McCullen | Debbie | Mary Jane Lodato | 1 | 1 |
| Laurette Spang | Karen Saunders-Holmes | Marge Atherton | 1 | 1 |
| Mako | Kwong Soo Luke | Tozan | 1 | 1 |
| Marcia Strassman | Kay Penny / Katherine Patrino | Dr. Karen Harmon | 1 | 1 |
| Marcia Wallace | Martha Meeks | Barbara Terranova | 1 | 1 |
| Noah Beery, Jr. | Otis T. Boggs | Floyd Lewellen | 1 | 1 |
| Robert Loggia | Porter Brockhill | Trusseau | 1 | 3 |
| Rosemary Forsyth | Dr. Melanie Elisabeth Griffin, Lily Burton, Margo Glenn | Margaret Chase | 3 | 1 |
| Stephanie Faracy | Deborah Barnes | Amy Salyer | 1 | 1 |
| Ted Gehring | Mel Gordon | Herm Dunbar | 1 | 1 |
| Tim Rossovich | Ben, Boris Smolensk, Charlie | Hank, Nelson | 4 | 2 |
| Cesar Romero | Edmond Rome, Frederick Kragen, Maestro Roger Alexander | Doc Villoroch | 4 | 1 |
| Darleen Carr | Dora Delaney | Ginny Malcolm, Heather Wilcox | 1 | 2 |
| Dick Butkus | Derrick Haskell, Moose Maloney | Clarence/Dumbo | 2 | 1 |
| Doug McClure | Brent Harris, Craig Bradshaw | John Quillan | 2 | 1 |
| James Shigeta | General Lin Sun | Mr. Obotu, Richard Enoka | 1 | 2 |
| John McCook | Captain Fitzhugh Ross / Mr. Ross, Steven Curry | Prince Roland Martine | 2 | 1 |
| Julie Cobb | Florence Stouton | Karen | 1 | 2 |
| Lew Ayres | J.D. Pettigrew, John Cook | Sidney Dollinger | 2 | 1 |
| Chuck Hicks | Logan, the Bully / Butler, the Sheriff | Thug | 3 | 1 |
| Barbara Rush | Kathy Moreau, Mildred Koster, Professor Smith-Myles | Ann Carrington, Phoebe Sullivan | 3 | 2 |
| David S. Cass, Sr. | First Heavy, Fitz, Luke | Benny, Thug | 3 | 2 |
| Shelley Smith | LeeAnn, Miss Harbinger, Pamela Archer | Melissa Wainwright, Peggy Armbruster | 3 | 2 |
| Belinda Montgomery | Minnie Hale | Frannie Huddle | 1 | 1 |
| Charles Lucia | Jerome | Coast Guard Lieutenant | 1 | 1 |
| Dana Wynter | Norma Rawlings | Olivia Ross, Velma Troubshaw | 1 | 2 |
| Frank Converse | Tony Edwards | Sam Henderson | 1 | 1 |
| George Cheung | Attendant #2 | Choi, Kanki's Nephew, Victor Ching | 1 | 3 |
| Georgia Schmidt | Little Old Lady | Old Lady | 1 | 1 |
| Guy Stockwell | Logan | Dick McWilliams | 1 | 1 |
| James Wainwright | Jake Lawrie | Lyden | 1 | 1 |
| Julie Sommars | Carmen Drake, Laura Crane | Jeanie "JL" Lowery | 2 | 1 |
| Pamela Susan Shoop | Mira Dutton | Alice Cook | 1 | 2 |
| Patty McCormack | Marg Atkins | Carol Baldwin | 1 | 1 |
| Paul Sand | Duke Manducci | Denny Prine | 1 | 1 |
| Peter Brown | Patrick O'Herlihy | Robert Brighton | 1 | 1 |
| Peter Isacksen | Al "Skyhook" Schuyler, Ernie "Smooch" Kowalski, Olaf Olafsen | Jerome "Killer" Stenhauser | 3 | 1 |
| Sal Viscuso | Prosecutor | Herbie | 1 | 1 |
| Sheree North | Julie | Blanche Rafferty | 1 | 1 |
| Vera Miles | Martha Tate | Joan Gibson | 1 | 1 |
| Edward Winter | Adrian Briles, Kurt | Dr. Jorgenson | 2 | 1 |
| Howard Duff | Douglas Shane | Captain Thomas Sullivan Magnum I | 1 | 2 |
| Jill St. John | Ellen Layton / Jane Doe, Helen of Troy | Jan Kona | 2 | 1 |
| Meredith MacRae | Cindy Barker, Dina DeWinter | Charlotte Graham | 2 | 1 |
| Nehemiah Persoff | Andreas, Horst Von Stern | Rabbi Asher Solomon | 2 | 1 |
| Barry Nelson | Phillip Waverly | William B. Knox | 1 | 1 |
| Hermione Baddeley | Aunt Bella | Bernice | 1 | 1 |
| Jake Hoopai | Muscular Native | Sumo | 1 | 1 |
| Jeff Pomerantz | Victor | Yuri Dolgof | 1 | 1 |
| Jenny Sherman | Maybelle | Starr Davis | 1 | 1 |
| José Ferrer | Nikolos Karabatos | Robert Caine | 1 | 1 |
| Mary Kate McGeehan | Sally Marshall | Lynn Harbison | 1 | 1 |
| Michael V. Gazzo | Frank Lassiter | Victor DiGorgio | 1 | 1 |
| Robert F. Lyons | Carl | Taylor Hurst | 1 | 1 |
| Shanna Reed | Laura Martin | Sarah Amlin | 1 | 1 |
| Vic Morrow | Douglas Picard | Sgt Jordan | 1 | 1 |
| Cesare Danova | Brent Hampton, the Governor | President Manuel Ebenez | 2 | 1 |
| Leo Gordon | the Bartender, the Chief Guard | Croquet Player | 2 | 1 |
| Robert F. Hoy | Slim | Cornell Dye, Paul Scott / Mark Phelps | 1 | 2 |
| Ann Doran | Emma Howard | Grandmother Houston | 1 | 1 |
| Dick Shawn | Vic Erskine | Buzz Benoit | 1 | 1 |
| Gary Frank | Jack Oberstar | Jeff Spangler | 1 | 1 |
| Henry Jones | Bank Teller, Judge Ralph | The Butler | 2 | 1 |
| James Luisi | Arbogast | John Walter Costa | 1 | 1 |
| Jared Martin | Dr. Lewis Christophe | Arthur Houston | 1 | 1 |
| Manu Tupou | Prester John | Charlie | 1 | 1 |
| Ray Buktenica | Andy Durant | Bruce Kunkle | 1 | 1 |
| Roy Jenson | Snuffy Harris | Jack Wilkins | 1 | 1 |
| David Cadiente | Eddie Frost | Juan | 1 | 1 |
| Edward Grover | Marsh | Hooker | 1 | 1 |
| John Dennis Johnston | Junior | Hired Gunman 2 | 1 | 1 |
| Michael Constantine | Joshua Templar | Judge Hannibal Kearns | 1 | 1 |
| Rick Lenz | Adam Parks | Richard Hasley | 1 | 1 |
| Elizabeth Hoy | Amy | Lesli | 1 | 1 |
| Gilbert Green | Mr. Hayden | Vic Stout | 1 | 1 |
| Marcia Wolf | Brooke | Lieutenant Karen Summers, USN | 1 | 1 |
| Matthew Faison | Dr. Carl Daniels, Frank Thomas | Lee Childress | 2 | 1 |
| Michael Billington | Henri Ducette | Lever | 1 | 1 |
| Raymond Singer | Larry | Benton Quirk | 1 | 1 |
| Robert Tessier | Flynt | Murderer | 1 | 1 |
| Rummel Mor | Petie | Andy Wen | 1 | 1 |
| William Windom | Bill Ackland | Captain James T. Lyle | 1 | 1 |
| Lillian Müller | Stella | Greta | 1 | 2 |
| Barry Sattels | Cal Jordan | Ron Templeton | 1 | 1 |
| Pamela Jean Bryant | Peggy Chandler | Marge | 1 | 1 |
| Jay Ingram | the Hunter | Capt. Brackett | 1 | 1 |
| Judi Andersen | Gorgeous Girl | Sandy | 1 | 1 |
← Fantasy Island × Magnum, P.I.
Cast data from TVmaze, licensed CC BY-SA 4.0.