All 125 actors in both Mission: Impossible and Star Trek
125 actors have appeared in both Mission: Impossible and Star Trek, across 250 episodes. The most-credited is Bob Johnson, Person on Tape in Mission: Impossible and Ground Control in Star Trek.
| Actor | In Mission: Impossible | In Star Trek | Eps | Eps |
|---|---|---|---|---|
| Bob Johnson | Person on Tape | Ground Control | 148 | 1 |
| George Takei | Roger Lee | Lt. Hikaru Sulu, Mirror Sulu | 1 | 47 |
| Lee Meriwether | Tracey, Anna Rojak | Losira | 8 | 1 |
| Barbara Anderson | Mimi Davis | Lenore Karidian | 7 | 1 |
| Arthur Batanides | Father Paolo Dominguin, Joe Fort, Kura | D'Amato | 5 | 1 |
| Mark Lenard | Aristo Skora, Col. Luis Cardoza, Colonel Bakram | Ambassador Sarek, Romulan Commander | 4 | 2 |
| Antoinette Bower | Amara, Nora Bennett, Olga Vanin | Sylvia | 4 | 1 |
| Jack Donner | Buccaro, Captain Praedo, Bob Field | Sub-Commander Tal | 9 | 1 |
| Jason Evers | Ben Nelson, Carl Dietrich, Ray Dunson | Rael | 4 | 1 |
| Michael Strong | Barsky, Police Chief Petrovitch, Stephan Gomalk | Dr. Roger Korby | 4 | 1 |
| William Shatner | Joseph Conrad, Thomas Kroll | Dr. Janice Lester (in Kirk's body), Mirror Kirk, Negative Captain James T. Kirk | 2 | 3 |
| William Windom | Alex Cresnic, Deputy Premier Milos Pavel, Paul Mitchell | Commodore Matthew Decker | 4 | 1 |
| John Colicos | Commissioner Taal Jankowski, Manuel Ferrar, Milos Kuro | Kor | 3 | 1 |
| Steve Ihnat | Col. Alex Stahl, Major Paul Johan, Stefan Miklos | Garth of Izar | 3 | 1 |
| Joseph Ruskin | Colonel Scutari, King Ibn Borca, Colonel Hatafis | Galt | 6 | 1 |
| Barbara Luna | Elena Maria Del Barra, Wai Lee | Lt. Marlena Moreau, Mirror Marlena | 2 | 1 |
| James Daly | Alfred Belzig, Carl Wilson / Josef Gort | Flint | 2 | 1 |
| Lou Antonio | Robert Siomney, Rudy Blake | Lokai | 2 | 1 |
| Skip Homeier | Maj. January Gruner | Melakon, Sevrin | 1 | 2 |
| William Smithers | Frank Egan, Victor Tomar | Captain R. M. Merik | 2 | 1 |
| Alfred Ryder | Colonel Borodin, Colonel Valentin Yetkoff, Gregor Mishenko | Prof. Robert Crater | 4 | 1 |
| Percy Rodriguez | Jara, Arturo Sandoval, Captain Trez | Commodore Stone | 4 | 1 |
| Sid Haig | Musha, Agent #1, Goujon | First Lawgiver | 9 | 1 |
| Warren Stevens | Karl de Groot, Frank Layton, Thor Coffin | Rojan | 4 | 1 |
| Vic Perrin | Cheever, Dr. Ira Drake, Massik | Mirror Tharn, Nomad, Tharn | 5 | 2 |
| Barry Atwater | Dr. Carlos Enero, General Marin, Grand Duke Clement | Surak | 5 | 1 |
| Charles Drake | Mitchell Connally | Commodore Stocker | 1 | 1 |
| David Brian | Benjamin Dane | John Gill | 1 | 1 |
| Ed McCready | Inspector, Steward, Teletype Clerk | Barber, Boy Creature, Dr. Carter | 3 | 5 |
| Gene Dynarski | Kutler, Sgt of Guard | Ben, Krodak | 2 | 2 |
| James Gregory | Joe Corvin | Dr. Tristan Adams | 1 | 1 |
| Michael Ansara | Ed Stoner | Kang | 1 | 1 |
| Roy Jenson | Connie | Cloud William | 1 | 1 |
| Susan Howard | Nora Dawson | Mara | 1 | 1 |
| Vince Howard | Lt. Eckhart, Max Davis, Patrolman Dagget | Crewman | 3 | 1 |
| Bart La Rue | Agent #6, General Kirsch, Guard #2 | Announcer, Guardian, Newscaster | 4 | 3 |
| Logan Ramsey | Colonel Vargas, Anton Valdas | Claudius | 4 | 1 |
| Rudy Doucette | Guard, Chess Match Spectator, Driver | Staff Member | 10 | 1 |
| Alan Bergmann | Colonel Antoine Benet, Lt. Gov. Harve Harrson | Lal | 2 | 1 |
| David Hurst | Dr. Oswald Beck, Victor Grigov | Hodin | 2 | 1 |
| Davis Roberts | Anton Bouchet, William Barton | Dr. Ozaba | 2 | 1 |
| Don Eitner | Rafik, Zucker | Navigator | 2 | 1 |
| Jason Wingreen | Manservant, Official | Dr. Linke | 2 | 1 |
| Sharon Acker | Annette, Connie Hastings | Odona | 2 | 1 |
| Barry Russo | Cabot, Tiso Kastner | Lt. Cmdr. Giotto, Wesley | 2 | 2 |
| Charles Napier | Guard, Roland, Thug | Adam | 3 | 1 |
| David Opatoshu | Ahmed Vassier, Deputy Premiere Anton Kudnov, Premier Roshkoff | Anan 7 | 3 | 1 |
| Jon Lormer | Gant, Minister | Old Man, Tamar | 2 | 2 |
| Malachi Throne | Ambassador Brazneck, Deputy Premier Gregor Kamirov | Commodore Jose I. Mendez | 2 | 2 |
| Max Kleven | Guard, Secret Policeman, The Attendant | Maximus | 3 | 1 |
| Rudy Solari | Broyles, Colonel Moya, Zageb | Salish | 3 | 1 |
| Charles Picerni | Border Guard, Danny Ryan, Juan Delgado | Klingon | 5 | 1 |
| William Wintersole | The Captain, Mueller, Raskov | Abrom | 5 | 1 |
| Arlene Martel | Atheda | T'Pring | 1 | 1 |
| Barbara Babcock | Major Maria Felder | Beta 5 Computer, Mea 3, Philana | 1 | 3 |
| Biff Elliot | Wilson, Guard, Simpson | Schmitter | 4 | 1 |
| Byron Morrow | Alfred E. Chambers | Admiral Komack, Admiral Westervliet | 1 | 2 |
| Charles Dierkop | Richie | Morla | 1 | 1 |
| Erik Holland | Announcer, Lieutenant, Rostov | Ekor | 3 | 1 |
| Joan Collins | Nicole Vedette | Sister Edith Keeler | 1 | 1 |
| John Crawford | Dr. Lubell, Paul Ostro, Selby | Commissioner Ferris | 4 | 1 |
| Katherine Woodville | Felicia Vabar | Natira | 1 | 1 |
| Lee Bergere | Alfred Kuderlee, Dr. Labashi | President Abraham Lincoln | 2 | 1 |
| Lee Duncan | Frederico, Second Reporter | Evans | 2 | 1 |
| Marianna Hill | Louisa Rojas | Dr. Helen Noel | 1 | 1 |
| Ricardo Montalban | Gerard Sefra | Khan | 1 | 1 |
| Ted Gehring | Novak | Second Policeman | 1 | 1 |
| Torin Thatcher | Archbishop Djelvas, General Rados Adolph Gollan | Marplon | 2 | 1 |
| Vic Tayback | Sgt. Gorte | Jojo Krako | 1 | 1 |
| Michael Barrier | The Intern | Lt. Vincent DeSalle | 1 | 3 |
| Abraham Sofaer | Tomas de Cuarto | Melkotian, The Thasian | 1 | 2 |
| Charles Maxwell | Bok, Lazloff | Virgil Earp | 2 | 1 |
| Ed Bakey | Attendant, Dr. Kadar | The First Fop | 2 | 1 |
| Steven Marlo | Diego, Faud | Zabo | 2 | 1 |
| Diana Ewing | Stephanie | Droxine | 1 | 1 |
| Gary Lockwood | Nicholas Varsi | Lt. Cmdr. Gary Mitchell | 1 | 1 |
| Lawrence Montaigne | Johnson, Kostas's Aide | Decius, Stonn | 2 | 2 |
| Madlyn Rhue | Adele Cooper | Marla | 1 | 1 |
| Tom Troupe | David Day | Lt. Harold | 1 | 1 |
| Walt Davis | Attendant | Klingon Soldier #1 | 1 | 1 |
| Bruce Mars | Sergeant | Finnegan, First Policeman | 1 | 2 |
| Lev Mailer | Sergeant | Bilar, S.S. Lieutenant | 1 | 2 |
| Peter Brocco | Dr. Valari, Father Bernard | Claymare | 2 | 1 |
| Bob Bralver | Foreman, Pusher | Grant | 2 | 1 |
| Bruce Watson | Charlie Finch, Kelly | Green | 2 | 1 |
| Harry Basch | Nicolai | Dr. Brown | 1 | 1 |
| Makee K. Blaisdell | Guard | Lt. Singh, Lt. Spinelli | 1 | 2 |
| Michael Forest | Lupesh | Apollo | 1 | 1 |
| Morgan Farley | Wyatt | Hacom, Yang Scholar | 1 | 2 |
| Paul Carr | Dr. Zeped | Lt. Lee Kelso | 1 | 1 |
| Rex Holman | Captain Maxfield | Morgan Earp | 1 | 1 |
| Ron Soble | Phalen | Wyatt Earp | 1 | 1 |
| William O'Connell | Instructor | Thelev | 1 | 1 |
| William Schallert | Dr. Harrison Selby | Nilz Baris | 1 | 1 |
| Dick Cherney | Guard, Worker | Council Member, Passerby on Sidewalk | 2 | 2 |
| Charles Macaulay | Conway | Landru, Prefect Jaris | 1 | 2 |
| Victor Brandt | Doctor | Tongo Rad, Watson | 1 | 2 |
| Anthony Caruso | Leonard Morgan | Bela Oxmyx | 1 | 1 |
| David Armstrong | Patrolman | Kartan | 1 | 1 |
| Irene Kelly | The Young Riva | Sirah | 1 | 1 |
| Marc Adams | Minister | Hamlet | 1 | 1 |
| Michael Pataki | Ed | Korax | 1 | 1 |
| Pete Kellett | Guard | Farrell | 1 | 1 |
| Phillip Pine | Arnold Grasnik | Col. Green | 1 | 1 |
| Robert Sampson | Fitzgerald | Sar 6 | 1 | 1 |
| Vince Deadrick, Sr. | Private | Mathews | 1 | 1 |
| Joseph Bernard | Commandante, Karp | Tark | 2 | 1 |
| Brioni Farrell | January | Tula | 1 | 1 |
| Felix Locher | Yablonski | Robert Johnson | 1 | 1 |
| James Wellman | Manager | Professor Starnes | 1 | 1 |
| John Wheeler | Crowley | Ambassador Gav | 1 | 1 |
| Karl Bruck | Defense Minister | King Duncan | 1 | 1 |
| Peter Marko | Markos | Gaetano | 1 | 1 |
| Tony Young | Gordon | Kryton | 1 | 1 |
| Dallas Mitchell | First Agent | Nellis | 1 | 1 |
| Don Keefer | Zubin | Cromwell | 1 | 1 |
| Don Marshall | The Police Officer | Boma | 1 | 1 |
| James Daris | Arthur | Creature | 1 | 1 |
| Patrick Horgan | Wolfe | Eneg | 1 | 1 |
| William Sargent | Dr. Cardel | Dr. Leighton | 1 | 1 |
| Lee Delano | Anderson | Kalo | 1 | 1 |
| Rhodes Reason | Theodore Dane | Flavius | 1 | 1 |
| Carl Byrd | Takis | Lt. Shea | 1 | 1 |
| Eli Behar | Secret Policeman | Therapist | 1 | 1 |
| George Sawaya | Guard | Klingon Soldier #2 | 1 | 1 |
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Cast data from TVmaze, licensed CC BY-SA 4.0.