Police Chief Col. Frank Dawson / Colonel Frank Dawson / Col. Frank Dawson (39 episodes, 1959-1960)
Narrator (19 episodes, 1959-1960)
Sgt. Ed Blankey (31 episodes, 1959-1960)
Detective / Don (6 episodes, 1959-1960)
Ryan (4 episodes, 1959-1960)
Radio Operator (3 episodes, 1959-1960)
Albert / Lennox (3 episodes, 1959-1960)
(3 episodes, 1960)
Mack (3 episodes, 1960)
Police Sergeant (3 episodes, 1959-1960)
Harmon (2 episodes, 1960)
Dora (2 episodes, 1960)
Max Creiger / Smiley (2 episodes, 1960)
Maryt / Vincent (2 episodes, 1960)
Davis (2 episodes, 1960)
Harvey Stone (2 episodes, 1960)
(2 episodes, 1960)
Verdugo (2 episodes, 1959-1960)
Man (2 episodes, 1960)
Cop (2 episodes, 1959-1960)
Police Officer (2 episodes, 1959-1960)
Gang Leader / Gus Haber (2 episodes, 1959-1960)
Nathan Cramer (2 episodes, 1959-1960)
Fallon / Jack Fallon (2 episodes, 1959-1960)
Jurowe (2 episodes, 1960)
Barbara Fallon (2 episodes, 1959-1960)
Duke (2 episodes, 1960)
Vespa (2 episodes, 1960)
Norcross (2 episodes, 1959-1960)
Regan (2 episodes, 1959-1960)
Diane Cramer (2 episodes, 1959-1960)
(2 episodes, 1959)
Michaels (2 episodes, 1959-1960)
(2 episodes, 1959-1960)
(1 episode, 1959)
Frankie Frisco (1 episode, 1959)
(1 episode, 1960)
Ella Simpson (1 episode, 1960)
Dan Mason (1 episode, 1960)
Groves (1 episode, 1960)
Burt Hughes (1 episode, 1960)
Barney Dugan (1 episode, 1960)
Matt Gruber (1 episode, 1960)
Steve Tyler (1 episode, 1960)
Haynes (1 episode, 1960)
Latimer (1 episode, 1960)
Ron Kelso (1 episode, 1959)
Carol Dawn (1 episode, 1960)
Martin Allen (1 episode, 1960)
Joe Black (1 episode, 1960)
Burt Dugan (1 episode, 1960)
Herman Shane (1 episode, 1960)
Harry Clegg (1 episode, 1960)
Minelli (1 episode, 1960)
Cavello (1 episode, 1960)
Janet Mason (1 episode, 1960)
Harold (1 episode, 1959)
'Jumpy' Higgins (1 episode, 1960)
Al Daniels (1 episode, 1960)
Maria (1 episode, 1960)
Patty Findercain (1 episode, 1960)
Regan (1 episode, 1960)
Maury Harper (1 episode, 1960)
Bradley (1 episode, 1960)
Dan Porter (1 episode, 1960)
Gorman (1 episode, 1960)
Wade (1 episode, 1960)
Frank Davis (1 episode, 1960)
Joey Bond (1 episode, 1960)
Mrs. Manners (1 episode, 1960)
Fuller (1 episode, 1960)
Ziggy Hoffman (1 episode, 1960)
Powers (1 episode, 1960)
Bernie Fields (1 episode, 1960)
Henchman (1 episode, 1960)
Warehouse Thug (1 episode, 1960)
Carol Harper (1 episode, 1960)
Construction Worker (1 episode, 1960)
Woman (1 episode, 1960)
Houseboy (1 episode, 1960)
Peters (1 episode, 1960)
Police Stenogapher (1 episode, 1960)
Kalmine (1 episode, 1959)
Larkin (1 episode, 1959)
Kildean (1 episode, 1959)
Keefer (1 episode, 1960)
Sgt Tom Porter (1 episode, 1960)
Ira Burns (1 episode, 1960)
Narko (1 episode, 1960)