Actors in both Hart to Hart and Three's Company
54 actors have appeared in both Hart to Hart and Three's Company, across 280 episodes. The most-credited is Jordan Charney, Mr. Flowers in Hart to Hart and Frank Angelino, Mr. Layton in Three's Company.
| Actor | In Hart to Hart | In Three's Company | Eps | Eps |
|---|---|---|---|---|
| Jordan Charney | Mr. Flowers | Frank Angelino, Mr. Layton | 1 | 12 |
| Gino Conforti | Hy Stoner | Felipe | 1 | 6 |
| Peter Mark Richman | Arthur Horton, Owen Grant | Reverend Snow | 2 | 3 |
| Keene Curtis | Alden Kendra, Frank Kruger | Andrew Gainer, Dr. Todson | 2 | 2 |
| Rod McCary | Halsey Matthews, Norman Parker | Bill Martin, Gregg Halliday | 2 | 2 |
| John Fiedler | Arnold | Morris Morris | 2 | 1 |
| John McCook | Damian / Dr. Porter | Alan, Doug Cooper | 1 | 2 |
| John Reilly | Billingsley, Jess | Dr. Malcolm Kenderson | 2 | 1 |
| Karen Austin | Karen Shields | Denise, Jennifer | 1 | 2 |
| Lois Hamilton | Inga | Katy Williams, Rita | 1 | 2 |
| Melanie Vincz | Melanie | Girl, Sylvia | 1 | 2 |
| Michael Alldredge | Lt. Harry Moss | Sam | 2 | 1 |
| William Cort | Mark Braverman | Dr. Porter, Mr. Sneff | 1 | 2 |
| Floyd Levine | Lieutenant Beckerman | Security Officer | 1 | 1 |
| George O. Petrie | Dr. Bedoff | Mr. Williams | 1 | 1 |
| Lucinda Dooling | Ellen | Diane | 1 | 1 |
| Macon McCalman | Dr. Harry Capello | Roland Wood, Mr. Penrose | 1 | 3 |
| Parley Baer | Constantine Wainwright | Bert Landers | 1 | 1 |
| Philip Charles MacKenzie | Wallace | Roger | 1 | 1 |
| Roger C. Carmel | Walter Brent | Merl Denker | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.