All 63 actors in both Gunsmoke and Star Trek
63 actors have appeared in both Gunsmoke and Star Trek, across 714 episodes. The most-credited is DeForest Kelley, Will Bailey in Gunsmoke and Dr. Leonard Horatio "Bones" McCoy in Star Trek.
| Actor | In Gunsmoke | In Star Trek | Eps | Eps |
|---|---|---|---|---|
| DeForest Kelley | Will Bailey | Dr. Leonard Horatio "Bones" McCoy | 1 | 24 |
| Ed McCready | Ed, Fred Remick, Freight Agent | Barber, Boy Creature, Dr. Carter | 8 | 5 |
| Rudy Doucette | Townsman, Barfly, Deputy | Staff Member | 18 | 1 |
| Grace Lee Whitney | Pearl | Yeoman Janice Rand | 1 | 8 |
| Anthony Caruso | Ash, Elton Sutterfield, Hank Pate | Bela Oxmyx | 6 | 1 |
| Mariette Hartley | Clarey, Ellie, Ellie Talley | Zarabeth | 5 | 1 |
| Ted Gehring | Boyd, Holtz, Keno | Second Policeman | 5 | 1 |
| Vince Deadrick, Sr. | Brawler, 1st Trooper, Cowboy #1 | Mathews | 5 | 1 |
| John Harmon | Carl, Hotel Clerk, Judge | Rodent, Tepo | 3 | 2 |
| Richard Evans | Ab Benteen, Austin Boyle, Pete | Isak | 4 | 1 |
| Joanne Linville | Beulah, Elizabeth Devon, Susan | Romulan Commander | 3 | 1 |
| Leonard Nimoy | Arnie, Grice, Holt | Mirror Spock | 3 | 1 |
| Michael Forest | Bob Sullins, Chance Hopper, Ray Pate | Apollo | 3 | 1 |
| Morgan Woodward | Harl Townsend, Josh Stryker | Captain Ronald "Ron" Tracey, Dr. Simon Van Gelder | 2 | 2 |
| Vic Tayback | Dirks, Gaines, Rawlins | Jojo Krako | 3 | 1 |
| William Shatner | Fred Bateman | Dr. Janice Lester (in Kirk's body), Mirror Kirk, Negative Captain James T. Kirk | 1 | 3 |
| William Windom | Hill, Ira Spratt, Lee Sharkey | Commodore Matthew Decker | 3 | 1 |
| Charles Seel | Barney, Finch, Gorth | Ed | 6 | 1 |
| Gary Lockwood | Jim Stark | Lt. Cmdr. Gary Mitchell | 2 | 1 |
| James Drake | Dude, Man, Morgan | Security Guard, Sick-Bay Intern | 4 | 2 |
| James Gregory | John Scanlon, Wes Martin | Dr. Tristan Adams | 2 | 1 |
| Paul Carr | Cully Tate, Jud Gibbijohn | Lt. Lee Kelso | 2 | 1 |
| Paul Fix | Doc Lacey, Greenwood, Sr. | Dr. Piper | 2 | 1 |
| Rex Holman | Badger, Brother, Ed | Morgan Earp | 6 | 1 |
| Arlene Martel | Quanah | T'Pring | 1 | 1 |
| Eddie Hice | Cowboy, Duster, Frank | Security Guard | 4 | 2 |
| Glenn Corbett | Bob Hargraves, Dan, phoenix | Zefram Cochrane | 3 | 1 |
| Joseph Ruskin | Curt Hansen | Galt | 1 | 1 |
| Keye Luke | Chen | Governor Donald Cory | 1 | 1 |
| Madlyn Rhue | Miss Rusty Fennel | Marla | 1 | 1 |
| Ricardo Montalban | Chato | Khan | 1 | 1 |
| Robert Lansing | Yancy Tyce | Gary Seven | 1 | 1 |
| William Schallert | Jess | Nilz Baris | 1 | 1 |
| Dick Cherney | Bank Clerk, Dealer, Juror | Council Member, Passerby on Sidewalk | 5 | 2 |
| Alfred Ryder | George Flint, Hank Voyles | Prof. Robert Crater | 2 | 1 |
| Diana Muldaur | Laurel Tyson | Dr. Anne Mulhall, Dr. Miranda Jones | 1 | 2 |
| Garry Walberg | Dekker, Hatcher | Hansen | 2 | 1 |
| Mark Lenard | Ira Stonecipher | Ambassador Sarek, Romulan Commander | 1 | 2 |
| Vic Perrin | Henry Huckaby | Mirror Tharn, Nomad, Tharn | 1 | 2 |
| Willard Sage | Cantwell, Corly Watts, Walker | Thann | 3 | 1 |
| Barry Atwater | Jesse Daggett | Surak | 1 | 1 |
| Charles Dierkop | Barnett, Silvee | Morla | 2 | 1 |
| Diana Ewing | Ella Horton | Droxine | 1 | 1 |
| John Abbott | Professor Lute Bone | Ayelborne | 1 | 1 |
| Liam Sullivan | Benjamin Ellis | Parmen | 1 | 1 |
| Marianna Hill | Annie Mcgovern | Dr. Helen Noel | 1 | 1 |
| Michael J. Pollard | Cyrus | Jahn | 1 | 1 |
| William Campbell | Luke | Koloth, Trelane | 1 | 2 |
| David Soul | Ike | Makora | 1 | 1 |
| Jeff Corey | Judge Procter | Plasus | 1 | 1 |
| John Colicos | Judge Flood | Kor | 1 | 1 |
| Ken Lynch | Jess Bradman | Vanderberg | 1 | 1 |
| Roy Jenson | Rath | Cloud William | 1 | 1 |
| Abraham Sofaer | Harvey Easter | Melkotian, The Thasian | 1 | 2 |
| Bob Herron | Vern | Kahless | 1 | 1 |
| Ed Peck | Silva | Col. Fellini | 1 | 1 |
| Harry Townes | Abihu Howell | Reger | 1 | 1 |
| Ed Bakey | Goody Stackpole | The First Fop | 1 | 1 |
| John Crawford | Hugh Eaton | Commissioner Ferris | 1 | 1 |
| Johnny Haymer | Ned Stallcup | The Constable | 1 | 1 |
| Bill Zuckert | Enoch | Johnny Behan | 1 | 1 |
| William Wintersole | Will Standish | Abrom | 1 | 1 |
| Hal Baylor | Boomer | Policeman | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.