Sergeant Joe Friday

Officer Frank Smith

Capt .James E. Hamilton

Officer Grace Downey

Max Edward Troy

Mrs. Ethel Starkie

Deputy D.A. Adolph Alexander

Belle Davitt

Jesse Quinn

Roy Cleaver

Lee Reinhard

Chester Davitt

Ray Pinker

Capt. R.A. Lohrman

Mr. Archer

Mrs. Caldwell

Fred Kemp

Charley Weaver

Lt. Stevens

Narrator (voice)

Officer Greeley