Actors in both Magnum, P.I. and The Love Boat
110 actors have appeared in both Magnum, P.I. and The Love Boat, across 407 episodes. The most-credited is Phyllis Davis, Alice Cleopatra "Cleo" Mitchell, Magnum's 1940's Secretary, Tiffy in Magnum, P.I. and Evelyn Miller, Gayle Ludwig, Marge Peterson in The Love Boat.
| Actor | In Magnum, P.I. | In The Love Boat | Eps | Eps |
|---|---|---|---|---|
| Phyllis Davis | Alice Cleopatra "Cleo" Mitchell, Magnum's 1940's Secretary, Tiffy | Evelyn Miller, Gayle Ludwig, Marge Peterson | 8 | 4 |
| Jessica Walter | Joan Fulton | Holly Hartman, Marcia Farnsworth, Jocelyn Hyatt Matthews | 1 | 8 |
| Paul Burke | Admiral Hawkes, Admiral Kitchner | Brian Sherwood, Ned Beacham, Walter Baresh | 5 | 3 |
| Carol Channing | Carol Channing | Aunt Sylvia | 1 | 6 |
| Elaine Joyce | Marina Pepesco | Bonnie Lee Boone, Darlene Potter, Dawn Delaney | 1 | 5 |
| Shavar Ross | Bryant Calvin | Bobby Davis | 5 | 1 |
| Ernest Borgnine | Earl "Mr. White Death" Gianelli | Dominic Rosselli, Ernest Borgnine | 1 | 3 |
| Morgan Stevens | Dan Wolf / Driscoll | Roger Wembley, Kurt Duncan | 1 | 3 |
| Vera Miles | Joan Gibson | Arlene Kemper, Bess Hensinger, Eve Springer | 1 | 3 |
| John Hillerman | Father Paddy McGuinness, Don Luis Mongueo, Elmo Ziller | Ed Hartnett, Manfred Benusse | 4 | 3 |
| Alan Hale Jr. | Russell Tate | Gus Dolan, Jack McTigue | 1 | 2 |
| Darren McGavin | "Mad" Buck Gibson | Lawrence Evans | 1 | 2 |
| Fritz Weaver | Captain Cooly | Mr. Weatherby | 2 | 1 |
| Joanna Kerns | Jenny Hunter, Mary Kanfer | Beth Luckner | 2 | 1 |
| Judith Chapman | Louise Jackson, Sarah Clifford/Lisa Page | Nancy Atwell | 2 | 1 |
| Laurette Spang | Marge Atherton | Linda, Melanie Taylor | 1 | 2 |
| Leslie Uggams | Alexis Carter | Callie Reason, Marion Blake | 1 | 2 |
| Noah Beery, Jr. | Floyd Lewellen | Daryl Wilcox, Gordon Layton | 1 | 2 |
| Richard Roundtree | Peter Jordan | Dave Wilbur | 1 | 2 |
| Stella Stevens | Loretta 'Lolly' Zachary van der Post | Kathy Costello, Toni Cooper | 1 | 2 |
Cast data from TVmaze, licensed CC BY-SA 4.0.