Actors in both Bonanza and Star Trek
56 actors have appeared in both Bonanza and Star Trek, across 510 episodes. The most-credited is James Doohan, Bill Collins, Colonel's Man in Bonanza and Lt. Cmdr. Montgomery "Scotty" Scott, Mirror Scotty, Sargon in Star Trek.
| Actor | In Bonanza | In Star Trek | Eps | Eps |
|---|---|---|---|---|
| James Doohan | Bill Collins, Colonel's Man | Lt. Cmdr. Montgomery "Scotty" Scott, Mirror Scotty, Sargon | 2 | 64 |
| DeForest Kelley | Tully, Captain Moss Johnson | Dr. Leonard Horatio "Bones" McCoy | 3 | 24 |
| Majel Barrett Roddenberry | Belle Ganther | Nurse Christine Chapel, Number One | 1 | 25 |
| Rudy Doucette | Townsman, Juror, Trial Spectator | Staff Member | 9 | 1 |
| John Harmon | Rider, Frank Thomas, McCray | Rodent, Tepo | 7 | 2 |
| Richard Evans | Billy Wilcox, Ellis Watson, John | Isak | 3 | 1 |
| Charles Dierkop | Sawyer, Shorty | Morla | 2 | 1 |
| Diana Muldaur | Mary Roman | Dr. Anne Mulhall, Dr. Miranda Jones | 1 | 2 |
| Frank Overton | Amos Crenshaw, Capt. Matthew White | Elias Sandoval | 2 | 1 |
| Kathie Browne | Ellen Henry, Margie Owens | Deela | 2 | 1 |
| Michael Forest | Wabuska, Young Wolf | Apollo | 2 | 1 |
| Robert Lansing | Jed Trask, John Dundee | Gary Seven | 2 | 1 |
| Susan Oliver | Leta Malvet | Vina | 1 | 2 |
| Antoinette Bower | Martha Cartwright Dorcas | Sylvia | 1 | 1 |
| Gene Lyons | Taylor Daniels | Ambassador Robert Fox | 1 | 1 |
| Lou Antonio | Davey | Lokai | 1 | 1 |
| Marianna Hill | Dolores Tenino | Dr. Helen Noel | 1 | 1 |
| Mariette Hartley | Lola Fairmont | Zarabeth | 1 | 1 |
| Michael Dunn | George Marshall | Alexander | 1 | 1 |
| Paul Fix | Buford Sturgis | Dr. Piper | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.