 Jack WebbSergeant Joe Friday | Sergeant Joe Friday |
 Ben AlexanderOfficer Frank Smith | Officer Frank Smith |
 Richard BooneCapt .James E. Hamilton | Capt .James E. Hamilton |
 Ann RobinsonOfficer Grace Downey | Officer Grace Downey |
 Stacy HarrisMax Edward Troy | Max Edward Troy |
 Virginia GreggMrs. Ethel Starkie | Mrs. Ethel Starkie |
 Vic PerrinDeputy D.A. Adolph Alexander | Deputy D.A. Adolph Alexander |
| GGeorgia EllisBelle Davitt | Belle Davitt |
 James GriffithJesse Quinn | Jesse Quinn |
| DDick CathcartRoy Cleaver | Roy Cleaver |
 Malcolm AtterburyLee Reinhard | Lee Reinhard |
 Willard SageChester Davitt | Chester Davitt |
 Olan SouleRay Pinker | Ray Pinker |
 Dennis WeaverCapt. R.A. Lohrman | Capt. R.A. Lohrman |
 Herb VigranMr. Archer | Mr. Archer |
 Virginia ChristineMrs. Caldwell | Mrs. Caldwell |
 James AndersonFred Kemp | Fred Kemp |
 Cliff ArquetteCharley Weaver | Charley Weaver |
 Harry BartellLt. Stevens | Lt. Stevens |
 Bert HollandNarrator (voice) | Narrator (voice) |
 Harry LauterOfficer Greeley | Officer Greeley |
| BBert StevensDA S. Ernest Roll | DA S. Ernest Roll |
 Dub TaylorMiller Starkie | Miller Starkie |
 George SawayaMcQueen | McQueen |
 Meg MylesSinger at Talent Agency (uncredited) | Singer at Talent Agency (uncredited) |
