 | Robert Conrad | ... | James T. West / ... (104 episodes, 1965-1969) |
| Ross Martin | ... | Artemus Gordon (97 episodes, 1965-1969) |
| Dick Cangey | ... | Henchman / ... (44 episodes, 1966-1969) |
| Whitey Hughes | ... | Henchman / ... (36 episodes, 1966-1969) |
| Red West | ... | Henchman / ... (30 episodes, 1967-1969) |
| Tommy J. Huff | ... | 4th Guard / ... (17 episodes, 1968-1969) |
| Bob Herron | ... | Henchman / ... (14 episodes, 1965-1968) |
| Fred Stromsoe | ... | Henchman / ... (13 episodes, 1966-1969) |
| Mickey Golden | ... | Butler / ... (13 episodes, 1965-1969) |
| Michael Dunn | ... | Dr. Miguelito Loveless (10 episodes, 1965-1968) |
| Douglas Henderson | ... | Col. James Richmond / ... (10 episodes, 1966-1969) |
| Jerry Laveroni | ... | Cass / ... (9 episodes, 1967-1968) |
| James M. George | ... | Judd Brass / ... (8 episodes, 1968-1969) |
| Phoebe Dorin | ... | Antoinette (6 episodes, 1965-1966) |
| Roy Engel | ... | President Ulysses S. Grant / ... (6 episodes, 1966-1969) |
| Michael Masters | ... | Bluebeard / ... (6 episodes, 1965-1966) |
| Robert Ellenstein | ... | Dr. Horatio Occularis II / ... (5 episodes, 1966-1969) |
| Peter Hale | ... | Agent #3 / ... (5 episodes, 1967-1969) |
| Chuck O'Brien | ... | Andre Couteau / ... (5 episodes, 1965-1967) |
| Bill Catching | ... | Angelo / ... (5 episodes, 1965-1966) |
| Charles Aidman | ... | Jeremy Pike (4 episodes, 1968-1969) |
| William Schallert | ... | Frank Harper / ... (4 episodes, 1967-1969) |
| Robert Phillips | ... | Frank Roach / ... (4 episodes, 1965-1968) |
| Arthur Batanides | ... | Marius Ascoli / ... (4 episodes, 1965-1968) |
| H.M. Wynant | ... | Aaron / ... (4 episodes, 1965-1968) |
| Richard Kiel | ... | Voltaire / ... (4 episodes, 1965-1968) |
| Walker Edmiston | ... | Charlie / ... (4 episodes, 1965-1968) |
| Gregg Martell | ... | Bartender #1 / ... (4 episodes, 1965-1968) |
| Quintin Sondergaard | ... | Driver / ... (4 episodes, 1966-1968) |
| John Pickard | ... | Amos Rawlins / ... (4 episodes, 1966-1969) |
| Don Rizzan | ... | Grooves / ... (4 episodes, 1965-1968) |
| Charles Davis | ... | Tennyson (4 episodes, 1965) |
| Andre Philippe | ... | Ascot Sam / ... (4 episodes, 1966-1968) |
| Gene Tyburn | ... | Felton / ... (4 episodes, 1966-1969) |
| Joe Castagna | ... | City Slicker / ... (4 episodes, 1968-1969) |
| John Hudkins | ... | Guard / ... (4 episodes, 1965-1967) |
| Andi Garrett | ... | Barmaid / ... (4 episodes, 1966-1968) |
| Eddy Donno | ... | Gunsel / ... (4 episodes, 1968-1969) |
| Victor Buono | ... | Count Carlos Mario Vincenzo Robespierre Manzeppi / ... (3 episodes, 1965-1967) |
| Nehemiah Persoff | ... | Adam Barclay / ... (3 episodes, 1965-1968) |
| Joan Huntington | ... | Camille Mauvais / ... (3 episodes, 1965-1967) |
| Michele Carey | ... | Laurette / ... (3 episodes, 1967-1969) |
| Christopher Cary | ... | Tycho / ... (3 episodes, 1966-1969) |
| Anthony Caruso | ... | Bright Star Chief / ... (3 episodes, 1966-1968) |
| Ford Rainey | ... | Admiral Charles Hammond / ... (3 episodes, 1966-1968) |
| E.J. André | ... | Dr. Crane / ... (3 episodes, 1965-1968) |
| Toian Matchinga | ... | Cosina / ... (3 episodes, 1965-1969) |
| Arthur Malet | ... | Doc Keyno / ... (3 episodes, 1966-1969) |
| Theodore Marcuse | ... | Abdul Hassan / ... (3 episodes, 1966-1968) |
| Simon Scott | ... | Col. Stanton Mayo / ... (3 episodes, 1966-1968) |
| Richard O'Brien | ... | Mr. Van Cleve / ... (3 episodes, 1968-1969) |
| Tol Avery | ... | Asa Dempster / ... (3 episodes, 1967-1969) |
| Paul Comi | ... | Bert Farnsworth / ... (3 episodes, 1966-1967) |
| George Keymas | ... | Doctor I / ... (3 episodes, 1966-1967) |
| Walter Sande | ... | Col. Crockett (3 episodes, 1967) |
| Oscar Beregi Jr. | ... | Colonel Dieboldt / ... (3 episodes, 1965-1969) |
| Arthur Space | ... | A.T. Redmond / ... (3 episodes, 1965-1968) |
| Harry Lauter | ... | Farrell / ... (3 episodes, 1965-1969) |
| Gregg Palmer | ... | Bartender / ... (3 episodes, 1965-1968) |
| Morgan Farley | ... | Curator / ... (3 episodes, 1966-1968) |
| Phyllis Davis | ... | Emir #2 Girl / ... (3 episodes, 1966-1967) |
| Wilhelm von Homburg | ... | Abel Garrison / ... (3 episodes, 1967-1968) |
| Tyler McVey | ... | Doctor / ... (3 episodes, 1965-1969) |
| Sharon Cintron | ... | Girl #1 / ... (3 episodes, 1967-1968) |
| Lou Straley | ... | Clerk / ... (3 episodes, 1967-1968) |
| Jon Lormer | ... | 2nd Elder / ... (3 episodes, 1966-1969) |
| Louise Lawson | ... | Blonde / ... (3 episodes, 1965-1968) |
| Troy Melton | ... | Harry / ... (3 episodes, 1965-1967) |
| Robert Loggia | ... | Col. Arsenio 'Arsenic' Barbossa / ... (2 episodes, 1965-1967) |
| Alfred Ryder | ... | Capt. Horatio Philo / ... (2 episodes, 1965-1967) |
| John Dehner | ... | John Maxwell Avery / ... (2 episodes, 1965-1966) |
| Hurd Hatfield | ... | Dr. Articulus / ... (2 episodes, 1966-1968) |
| Jeff Corey | ... | Captain Ansel Coffin / ... (2 episodes, 1965-1968) |
| Kathie Browne | ... | Faith Cadwallader / ... (2 episodes, 1965-1967) |
| Ruta Lee | ... | Laurie Morgan / ... (2 episodes, 1965-1967) |
| John Van Dreelen | ... | Count Balkovitch / ... (2 episodes, 1966-1969) |
| Nick Adams | ... | Prince / ... (2 episodes, 1966-1968) |
| John Doucette | ... | Axel Morgan / ... (2 episodes, 1966-1967) |
| Thayer David | ... | Cortez / ... (2 episodes, 1967-1969) |
| Lana Wood | ... | Averi Trent / ... (2 episodes, 1967-1969) |
| Marj Dusay | ... | Crystal Fair / ... (2 episodes, 1967-1968) |
| Harold Gould | ... | John Taney / ... (2 episodes, 1967-1968) |
| Diane McBain | ... | Elaine Dodd / ... (2 episodes, 1965-1967) |
| Leslie Parrish | ... | Greta Lundquist / ... (2 episodes, 1965-1966) |
| Lisa Gaye | ... | Lana Benson / ... (2 episodes, 1966-1967) |
| Donald Woods | ... | Griswold / ... (2 episodes, 1966-1967) |
| Jason Evers | ... | Christopher Kohner / ... (2 episodes, 1967-1968) |
| Harry Townes | ... | Penrose / ... (2 episodes, 1965-1967) |
| John Hoyt | ... | Guild / ... (2 episodes, 1966-1969) |
| Richard Jaeckel | ... | Christopher Cable / ... (2 episodes, 1966-1967) |
| Khigh Dhiegh | ... | Baron Saigo / ... (2 episodes, 1967-1968) |
| Sherry Jackson | ... | Lola Cortez / ... (2 episodes, 1967-1968) |
| Henry Beckman | ... | Governor Bradford / ... (2 episodes, 1965-1967) |
| Anthony Eisley | ... | Deadeye / ... (2 episodes, 1966-1969) |
| Maggie Thrett | ... | Dierdre / ... (2 episodes, 1966-1967) |
| Karen Sharpe | ... | Barbara Bosley / ... (2 episodes, 1966) |
| Jackie Coogan | ... | Mayor Cecil Pudney / ... (2 episodes, 1967-1969) |
| Donnelly Rhodes | ... | Captain Dansby / ... (2 episodes, 1967-1969) |
| Lisa Pera | ... | Amelia / ... (2 episodes, 1967) |
| Felice Orlandi | ... | Benjamin Buckley / ... (2 episodes, 1966-1968) |
| Robert Emhardt | ... | Claude Duchamps / ... (2 episodes, 1966-1967) |
| Patsy Kelly | ... | Mrs. Bancroft / ... (2 episodes, 1966-1967) |
| Perry Lopez | ... | Dodo Le Blanc / ... (2 episodes, 1967-1969) |
| Dabbs Greer | ... | Captain Lyman Butler / ... (2 episodes, 1968) |
| Harry Bartell | ... | Professor Neilsen / ... (2 episodes, 1965-1966) |
| Shug Fisher | ... | Jeremiah / ... (2 episodes, 1966-1967) |
| Paul Fix | ... | Judge Blake / ... (2 episodes, 1966-1967) |
| Pitt Herbert | ... | Assistant Secretary of State Levering Mayhew David / ... (2 episodes, 1966-1967) |
| Allen Jaffe | ... | Leeto / ... (2 episodes, 1966-1967) |
| Jenie Jackson | ... | Kitten / ... (2 episodes, 1966) |
| John Harding | ... | Prof. Thaddeus Toombs (2 episodes, 1969) |
| Joseph Ruskin | ... | Felice Munez / ... (2 episodes, 1965-1967) |
| Sigrid Valdis | ... | Miss Piecemeal (2 episodes, 1965) |
| Ken Drake | ... | General Crocker / ... (2 episodes, 1967-1968) |
| Grace Gaynor | ... | Naomi Buckley / ... (2 episodes, 1967-1968) |
| Martin Kosleck | ... | Count Hackmar / ... (2 episodes, 1968-1969) |
| James Lanphier | ... | Dr. Mohammed Bey / ... (2 episodes, 1966-1969) |
| John A. Alonzo | ... | Lightnin' McCoy / ... (2 episodes, 1966-1967) |
| Sara Taft | ... | Maria / ... (2 episodes, 1966) |
| Don 'Red' Barry | ... | Farnsworth / ... (2 episodes, 1967-1969) |
| Charles Horvath | ... | Gombal / ... (2 episodes, 1965-1967) |
| C. Lindsay Workman | ... | Bartender / ... (2 episodes, 1965-1966) |
| Milton Parsons | ... | Kessel / ... (2 episodes, 1966-1969) |
| Ivan Triesault | ... | Ambassador / ... (2 episodes, 1967-1969) |
| Walter Brooke | ... | Finley / ... (2 episodes, 1967-1968) |
| Vince Howard | ... | Bartender / ... (2 episodes, 1967-1968) |
| Lou Krugman | ... | Felix--Blind Beggar / ... (2 episodes, 1967-1968) |
| Roland La Starza | ... | Jake / ... (2 episodes, 1967) |
| Nicky Blair | ... | Monk / ... (2 episodes, 1968-1969) |
| Nelson Olmsted | ... | Dr. Lake / ... (2 episodes, 1965-1966) |
| Val Avery | ... | Brad Logan / ... (2 episodes, 1966-1967) |
| Nelson Welch | ... | Board Member #5 / ... (2 episodes, 1967-1969) |
| Byron Morrow | ... | Judge Alonzo Fairlie / ... (2 episodes, 1965-1968) |
| Clint Ritchie | ... | First Bandit / ... (2 episodes, 1965-1966) |
| Eugene Iglesias | ... | Bernal / ... (2 episodes, 1966-1969) |
| Steve Gravers | ... | Durkin / ... (2 episodes, 1967-1968) |
| Chubby Johnson | ... | Prospector / ... (2 episodes, 1967) |
| Gail Billings | ... | Myra Bates / ... (2 episodes, 1968-1969) |
| Bill Quinn | ... | Dr. Emmett Sloan / ... (2 episodes, 1968) |
| Ted de Corsia | ... | 1st Elder / ... (2 episodes, 1969) |
| Dub Taylor | ... | Guard / ... (2 episodes, 1965-1967) |
| Arlene Charles | ... | Alna / ... (2 episodes, 1966) |
| Pepe Callahan | ... | Jon / ... (2 episodes, 1968-1969) |
| Valentin de Vargas | ... | Col. Chaveros (2 episodes, 1969) |
| Daniel Ades | ... | Col. Pellargo #1 / ... (2 episodes, 1966-1969) |
| Ralph Gary | ... | Chris Davidson / ... (2 episodes, 1966-1967) |
| Calvin Brown | ... | Clive / ... (2 episodes, 1966) |
| Eddie Quillan | ... | Hogan / ... (2 episodes, 1967-1969) |
| Linda Ho | ... | Chinese Girl #1 / ... (2 episodes, 1965-1968) |
| Bebe Louie | ... | Mei Mei / ... (2 episodes, 1965-1967) |
| Bill Zuckert | ... | Police Inspector Bulvon / ... (2 episodes, 1966-1969) |
| Rico Alaniz | ... | Chico / ... (2 episodes, 1967-1969) |
| Jay Jostyn | ... | Butler / ... (2 episodes, 1967-1969) |
| Britt Nilsson | ... | Girl #1 / ... (2 episodes, 1967-1968) |
| Lew Brown | ... | 2nd Guard / ... (2 episodes, 1967) |
| Frank Sorello | ... | Ambassador Ramirez / ... (2 episodes, 1966-1969) |
| Ben Wright | ... | Clarence / ... (2 episodes, 1966-1969) |
| James Gavin | ... | Fletcher / ... (2 episodes, 1967-1968) |
| Kai Hernandez | ... | Domino / ... (2 episodes, 1967-1968) |
| Rush Williams | ... | Guard / ... (2 episodes, 1968) |
| Elisha Cook Jr. | ... | Gideon McCoy / ... (2 episodes, 1965-1966) |
| Judi Sherven | ... | Miss Lester / ... (2 episodes, 1967-1968) |
| Jorge Moreno | ... | Barkeep / ... (2 episodes, 1967-1969) |
| Julio Medina | ... | Don Carlos / ... (2 episodes, 1968-1969) |
| Norman Leavitt | ... | Mayor Hiram Sneed / ... (2 episodes, 1969) |
| Ernest Misko | ... | Guard / ... (2 episodes, 1966-1967) |
| William Challee | ... | Fargo / ... (2 episodes, 1967-1968) |
| Dort Clark | ... | Colonel Housley / ... (2 episodes, 1967-1968) |
| Roy Barcroft | ... | Sheriff / ... (2 episodes, 1965-1968) |
| Paul Barselou | ... | Bank Teller / ... (2 episodes, 1965-1968) |
| Sebastian Tom | ... | Masseur / ... (2 episodes, 1966-1968) |
| Jack Rigney | ... | Mr. Kane / ... (2 episodes, 1967-1968) |
| John Armond | ... | Bronzini / ... (2 episodes, 1967) |
| William Massey | ... | Jailer / ... (2 episodes, 1967) |
| Barbara Hemingway | ... | Fat Lady / ... (2 episodes, 1967-1968) |
| Chuck Courtney | ... | Soldier / ... (2 episodes, 1968-1969) |
| Frank Cappiello | ... | Fighter / ... (2 episodes, 1967) |
| Don Ross | ... | Agent #4 / ... (2 episodes, 1967-1969) |
| Beverly Garland | ... | Celia Rydell / ... (2 episodes, 1967-1969) |
| Chet Stratton | ... | Adams - Hotel Desk Clerk / ... (2 episodes, 1965-1966) |
| Mary Frann | ... | Dr. Virginia Mays / ... (2 episodes, 1968-1969) |
| Russ McCubbin | ... | Briscoe / ... (2 episodes, 1966-1967) |
| A.G. Vitanza | ... | Grady / ... (2 episodes, 1967-1968) |
| Jack Perkins | ... | Golo / ... (2 episodes, 1966-1967) |
| Charles Wagenheim | ... | Shukie Summers / ... (2 episodes, 1966-1967) |
| Bill Baldwin | ... | Hallelujah Harry / ... (2 episodes, 1968) |
| Gabriel Walsh | ... | Farmer / ... (2 episodes, 1968) |
| Robert McCord | ... | Porter #1 / ... (2 episodes, 1965-1968) |
| Tony Gange | ... | Waiter / ... (2 episodes, 1967-1969) |
| Tommy Lee | ... | Ancient Puppeteer / ... (2 episodes, 1966-1968) |
| Christian Anderson | ... | Mark Dawson / ... (2 episodes, 1965-1969) |
| Hal Needham | ... | Assailant / ... (2 episodes, 1965) |
| Bob Miles | ... | Thug (2 episodes, 1967) |
| Larry Duran | ... | Mexican (2 episodes, 1968) |
| Sonny Jones | ... | Gunsel / ... (2 episodes, 1968) |
| Rip Swain | ... | Gunsel (2 episodes, 1968) |
