| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Burt Prelutsky | Crew | Writing | Writer | 8 |
 Jack Webb | Crew | Directing | Director, Writer, Creator | 79 |
Michael Donovan | Crew | Writing | Writer | 9 |
Norman Lessing | Crew | Writing | Writer | 1 |
Robert C. Dennis | Crew | Writing | Writer | 12 |
 Andrea King | Cast | Actress | Mrs. Lisa Fulton | 1 |
 Ann Morgan Guilbert | Cast | Actress | Bessie McDermott | 1 |
 Anne Whitfield | Cast | Actress | Irene Hillier | 1 |
 Anthony Eisley | Cast | Actor | Lt. Chris Drucker | 1 |
 Art Gilmore | Cast | Actor | Lt. Moore | 1 |
 Bobby Troup | Cast | Actor | Harry Mahan | 1 |
 Clark Howat | Cast | Actor | Capt. Henry O. Mack | 1 |
 Cyril Delevanti | Cast | Actor | Basil Jennings | 1 |
 Dick Miller | Cast | Actor | Harry Johnson | 1 |
 Dick Simmons | Cast | Actor | Marcus Denner | 1 |
 Don Barry | Cast | Actor | James Fremont | 1 |
 Don Dubbins | Cast | Actor | Steve Deal | 1 |
 Edward Faulkner | Cast | Actor | Lawrence Devon | 1 |
 Elaine Devry | Cast | Actress | Maggie Hinton | 1 |
 Eve Brent | Cast | Actress | Mrs. Fuller | 1 |
 Eve McVeagh | Cast | Actress | Bonnie McKenzie | 1 |
 Frank Gerstle | Cast | Actor | Albert Marks | 1 |
 Grant Williams | Cast | Actor | Father Barnes | 1 |
 Harry Morgan | Cast | Actor | 98 | |
 Heather Menzies | Cast | Actress | Edna Mae Dixon | 1 |
 Henry Corden | Cast | Actor | Emile Hartman | 1 |
 Herb Vigran | Cast | Actor | Erv Fowler | 1 |
 Herbert Anderson | Cast | Actor | Robert Blake | 1 |
Howard Culver | Cast | Actor | Sam Enquist | 1 |
Jack Webb | Cast | Actor | 98 | |
 Jan-Michael Vincent | Cast | Actor | Rick Schneiderman | 1 |
 Jerry Dexter | Cast | Actor | Jerry Dexter | 1 |
 Jerry Douglas | Cast | Actor | Sgt. Eugene Zappey | 1 |
 John Dennis | Cast | Actor | Bookie Agent | 1 |
 John Lupton | Cast | Actor | Sgt. Carl Maxwell | 1 |
 John Nolan | Cast | Actor | Mr. Rogers | 1 |
 John Sebastian | Cast | Actor | Nate Calvin | 1 |
 John Stephenson | Cast | Actor | Narrator (voice) (uncredited) | 11 |
 Julie Bennett | Cast | Actress | Evelyn Gentry | 1 |
 Kenneth Washington | Cast | Off. Bill Bray | 1 | |
 Kent McCord | Cast | Actor | Officer Jim Reed | 1 |
 Kevin Coughlin | Cast | Actor | 1 | |
 Keye Luke | Cast | Actor | George Lum | 1 |
 Lane Bradford | Cast | Actor | Champ Ridgely | 1 |
 Larry D. Mann | Cast | Actor | Pete Benson | 1 |
 Len Wayland | Cast | Actor | Walt Aldrich | 1 |
 Lillian Bronson | Cast | Actress | Bird Lady | 1 |
 Lorraine Gary | Cast | Actress | Mrs. Frank | 1 |
Lovyss Bradley | Cast | Actress | Juror (uncredited) | 1 |
 Luana Anders | Cast | Actress | Anna Marie Harmon | 1 |
 Marshall Reed | Cast | Actor | Fred Deemer | 1 |
 Martin Milner | Cast | Actor | Officer Pete Malloy | 1 |
 Maudie Prickett | Cast | Actress | Mrs. Thelma Benstead | 1 |
 Merry Anders | Cast | Actress | Policewoman Dorothy Miller | 1 |
 Michael Burns | Cast | Actor | Benjie 'Blue Boy' Carver | 1 |
Natalie Masters | Cast | Actress | Landlady | 1 |
 Robert Clarke | Cast | Actor | Mr. Fuller | 1 |
 Robert Patten | Cast | Actor | Sgt. Jack Williams | 1 |
 Russell Arms | Cast | Actor | David Carroll | 1 |
 Stacy Harris | Cast | Actor | Frank Baker | 1 |
 Susan Seaforth Hayes | Cast | Actress | Policewoman Olson | 1 |
 Vince Howard | Cast | Actor | Officer Bondi | 1 |
 Virginia Gregg | Cast | Actress | Dead Drunk Wife (uncredited) | 1 |
 Virginia Vincent | Cast | Actress | Shirley Aldrich | 1 |
 Walter Brooke | Cast | Actor | Capt. Carl Fuller | 1 |
 William Challee | Cast | Actor | bearded man singing Christmas carol (uncredited) | 1 |
 Emily Banks | Cast | Actress | Ann Tipton | 1 |
Dick Cherney | Cast | Actor | Detective (uncredited) | 1 |
 James McEachin | Cast | Actor | Off. Tim Miles | 1 |
 Byron Keith | Cast | Actor | Nick Gowers | 1 |
 John Sebastian | Cast | Actor | Peter Witmer | 1 |
 Mark Russell | Cast | Actor | Police Officer (uncredited) | 1 |
 Herbert Ellis | Cast | Actor | Norm Landon | 1 |
 Don Ross | Cast | Actor | Carl Freeman | 1 |
Raymond Mayo | Cast | Actor | Ben Roy Yoder (uncredited) | 1 |
 Art Balinger | Cast | Actor | Capt. Ken Green | 1 |
Alfred Shelly | Cast | Actor | Off. Nelson | 1 |
| Person | Type | Job | Role(s) | Episodes |
