| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Dave Grusin | Crew | Sound | Main Title Theme Composer | 26 |
 George McCowan | Crew | Directing | Director | 3 |
 Harvey Hart | Crew | Directing | Director | 3 |
 Lewis Allen | Crew | Directing | Director | 2 |
 Nicholas Webster | Crew | Directing | Director | 1 |
Quinn Martin | Crew | Production | Executive Producer | 26 |
 Richard Benedict | Crew | Directing | Director | 2 |
Richard H. Landau | Crew | Writing | Writer | 1 |
 Robert Douglas | Crew | Directing | Director | 1 |
Robert Dozier | Crew | Writing | Writer | 1 |
 Robert Totten | Crew | Directing | Director | 1 |
 Ralph Senensky | Crew | Directing | Director | 5 |
 Andrew Prine | Cast | Actor | Terry Young | 1 |
 Andy Romano | Cast | Actor | Lou Bowman | 1 |
 Arch Johnson | Cast | Actor | Sergeant Forbes | 1 |
 Arthur Tovey | Cast | Actor | Pallbearer (uncredited) | 1 |
 Barney Phillips | Cast | Actor | Dr. Golden | 1 |
 Bartlett Robinson | Cast | Actor | Head of Military Academy | 1 |
 Bill Erwin | Cast | Actor | Coroner | 2 |
 Bill Quinn | Cast | Actor | Judge | 1 |
 Brooke Bundy | Cast | Actress | Joan Smith | 1 |
 Burt Reynolds | Cast | Actor | Det. Lt. Dan August | 26 |
 Carolyn Jones | Cast | Actress | Margo | 1 |
 Charles Seel | Cast | Actor | Harry | 1 |
 Chris Robinson | Cast | Actor | Stan Manders | 1 |
 Dabney Coleman | Cast | Actor | Rick Bessett | 1 |
 David Soul | Cast | Actor | Lawrence Merrill III | 1 |
 Diana Muldaur | Cast | Actress | 1 | |
 Don 'Red' Barry | Cast | Actor | Ed Gurney | 1 |
 Ellen Corby | Cast | Actress | Agnes Oaks | 1 |
 Ena Hartman | Cast | Actress | Katy Grant | 26 |
 Forrest Compton | Cast | Actor | Mr. Colter | 1 |
 Fritz Weaver | Cast | Actor | Dr. Michael Serling | 1 |
 Geoffrey Lewis | Cast | Actor | Jerry | 1 |
 Gerald S. O'Loughlin | Cast | Actor | Dominic Lazar | 1 |
 Gordon Pinsent | Cast | Actor | Frank Fairley | 1 |
 H.M. Wynant | Cast | Actor | Lou Kramer | 1 |
 Harrison Ford | Cast | Actor | Hewett | 1 |
 Jack Ging | Cast | Actor | Corporal Wade Pollock | 1 |
 Jan-Michael Vincent | Cast | Actor | Kevin Colter | 1 |
 Janice Rule | Cast | Actress | Thelma Venable | 1 |
 Jerry Douglas | Cast | Actor | Stan Palmer | 1 |
 John Beck | Cast | Actor | Steve Phipps | 1 |
 John Considine | Cast | Actor | Sylvester | 1 |
 John Lasell | Cast | Actor | Ben Wedlock | 1 |
 John Ritter | Cast | Actor | Coley Smith | 1 |
 Joseph V. Perry | Cast | Actor | Leiber | 1 |
 Julie Adams | Cast | Actress | Patricia Fairley | 1 |
 Lillian Bronson | Cast | Actress | Amy Phipps | 1 |
 Linda Marsh | Cast | Actress | Eleanor Zachary | 1 |
 Lou Antonio | Cast | Actor | Gordon Krager | 1 |
 Lynne Marta | Cast | Actress | Jody Forbes | 1 |
 Michael Tolan | Cast | Actor | John Eberson | 1 |
 Michael Warren | Cast | Actor | Mr. Gant | 1 |
 Mickey Rooney | Cast | Actor | Kenny O'Malley | 1 |
 Mike Henry | Cast | Actor | Heap Canfield | 1 |
 Ned Romero | Cast | Actor | Sgt. Joe Rivera | 26 |
 Nehemiah Persoff | Cast | Actor | Leo Cussoni | 1 |
 Nick Benedict | Cast | Actor | 1 | |
 Norman Alden | Cast | Actor | Benjamin Marsh | 1 |
 Norman Fell | Cast | Actor | Sgt. Charles Wilentz | 26 |
 Paul Bryar | Cast | Actor | Lou Fein | 1 |
 Peter Brown | Cast | Actor | Fred Bowers | 1 |
 Radames Pera | Cast | Actor | Cort | 1 |
 Rance Howard | Cast | Actor | Hobbs | 1 |
 Raymond St. Jacques | Cast | Actor | Jimmy Barlowe | 1 |
 Ricardo Montalban | Cast | Actor | 1 | |
 Richard Anderson | Cast | Actor | Chief George Untermeyer | 26 |
 Robert Hogan | Cast | Actor | Van Evans | 1 |
 Robert Lipton | Cast | Actor | Bud Fowler | 1 |
 Robert Pine | Cast | Actor | Lt. Pete O'Connell | 1 |
 Soon-Tek Oh | Cast | Actor | Au Chau | 1 |
 Vera Miles | Cast | Actress | Carla | 1 |
 Vic Morrow | Cast | Actor | Steve Harrison | 1 |
 Charles Bateman | Cast | Actor | Peter Radin | 1 |
 Peter White | Cast | Actor | Jeremy Jackson | 1 |
 Warren Parker | Cast | Actor | Doctor | 1 |
Lisabeth Hush | Cast | Actress | Jane Burnside | 1 |
 Bob Harks | Cast | Actor | Doctor (uncredited) | 1 |
 Tony Colti | Cast | Actor | 2 | |
| Person | Type | Job | Role(s) | Episodes |
