Discover
Lorna Gray
Dolores Quantero
Kirk Alyn
Cliff Roberts
LeRoy Mason
Carlos Manning
Roy Barcroft
Mel Donovan
Claire Meade
Maria Martinez
Kernan Cripps
Insp. Grogan
Jimmy Ames
Romero (Nightclub Owner) [Chs. 3, 9]
Eddie Parker
George Tomkins
Tom Steele
Kidnapper Norton / Streetsweeper Blake / MineThug Dow / BombThug Lyons [Chs. 2, 5, 7, 10]
Dale Van Sickel
Thug Murphy / Police Officer Angus [Chs. 7, 8] / Pete (Truck Theft Thug / Bar Thug [Chs. 1, 9, 11]
Fred Graham
Rollins - Killer [Ch. 6]
Tom Quinn
R. J. Riggs (Bomb Maker) [Ch. 10]
John Daheim
Morris Kelso (Artist-Thug) [Ch. 11]
Ted Mapes
Ned Gray (Thug) [Ch. 4]
I. Stanford Jolley
Lippy Monroe (Thug) [Ch. 5]
Buddy Roosevelt
Woods Thug Moody / MineThug Eddie / Truck Thug Zarco [Chs. 4, 7, 12]
George Chesebro
Art Warehouse Thug (uncredited)
Camera
Bud Thackery
Director of Photography
Costume & Make-Up
Bob Mark
Makeup Supervisor
Crew
Bud Wolfe
Stunts
Dale Van Sickel
Stunts
Eddie Parker
Stunts
Joe Yrigoyen
Stunts
Carey Loftin
Stunts
Tom Steele
Stunts
Helen Thurston
Stunt Double
Ken Terrell
Stunts
Fred Graham
Stunts
Ted Mapes
Stunts
John Daheim
Stunts
Editing
Harold Minter
Editor
Cliff Bell Sr.
Editor
Production
Ronald Davidson
Associate Producer
Sound
Mort Glickman
Music
Writing
Jesse Duffy
Screenplay
Albert DeMond
Screenplay
Basil Dickey
Screenplay
Lynn Perkins
Screenplay
Camera
Bud Thackery
Director of Photography
Costume & Make-Up
Bob Mark
Makeup Supervisor
Crew
Bud Wolfe
Stunts
Dale Van Sickel
Stunts
Eddie Parker
Stunts
Joe Yrigoyen
Stunts
Carey Loftin
Stunts
Tom Steele
Stunts
Helen Thurston
Stunt Double
Ken Terrell
Stunts
Fred Graham
Stunts
Ted Mapes
Stunts
John Daheim
Stunts
Editing
Harold Minter
Editor
Cliff Bell Sr.
Editor
Production
Ronald Davidson
Associate Producer
Sound
Mort Glickman
Music
Writing
Jesse Duffy
Screenplay
Albert DeMond
Screenplay
Basil Dickey
Screenplay
Lynn Perkins
Screenplay