Actors

Lorna Gray

Actor

Dolores Quantero

Kirk Alyn

Actor

Cliff Roberts

LeRoy Mason

Actor

Carlos Manning

Roy Barcroft

Actor

Mel Donovan

Claire Meade

Actor

Maria Martinez

Kernan Cripps

Actor

Insp. Grogan

Jimmy Ames

Actor

Romero (Nightclub Owner) [Chs. 3, 9]

Eddie Parker

Actor

George Tomkins

Tom Steele

Actor

Kidnapper Norton / Streetsweeper Blake / MineThug Dow / BombThug Lyons [Chs. 2, 5, 7, 10]

Dale Van Sickel

Actor

Thug Murphy / Police Officer Angus [Chs. 7, 8] / Pete (Truck Theft Thug / Bar Thug [Chs. 1, 9, 11]

Fred Graham

Actor

Rollins - Killer [Ch. 6]

Tom Quinn

Actor

R. J. Riggs (Bomb Maker) [Ch. 10]

John Daheim

Actor

Morris Kelso (Artist-Thug) [Ch. 11]

Ted Mapes

Actor

Ned Gray (Thug) [Ch. 4]

I. Stanford Jolley

Actor

Lippy Monroe (Thug) [Ch. 5]

Buddy Roosevelt

Actor

Woods Thug Moody / MineThug Eddie / Truck Thug Zarco [Chs. 4, 7, 12]

George Chesebro

Actor

Art Warehouse Thug (uncredited)