Director
Fred C. Brannon
DIRECTOR
Yakima Canutt
Writer
Franklin Adreon
WRITER
Basil Dickey
Sol Shor
Jesse Duffy
Stars (in credits order)
Clayton Moore
Agent Ted O'Hara
Roy Barcroft
Vic Murkland
Ramsay Ames
Frances Blake
Gil Frye
Duke Graham
Tom Steele
John Parker (Lanky Thug) [Chs. 2, 6]
Dale Van Sickel
Fred Brent (Thug) [Ch. 1-2]
Edmund Cobb
R.J. Cook
Stanley Price
Robert 'Doc' Benson
Jack O'Shea
Slater - Benson's Aide
Barry Brooks
George (Orderly) [Ch. 8]
Douglas Aylesworth
Det. Hayden
Frank O'Connor
Dist. Atty. MacLain [Ch. 12]
Dian Fauntelle
MIss Stewart [Ch. 3]
Eddie Acuff
'Fiddler' - Used Car Salesman [Chs.3-4]
Ken Terrell
Kelsey (Thug) [Ch. 1]
Robert Barron
Garson - Tunnel Detonator Thug [Ch. 1] (uncredited)
John Crawford
Duke - Dictaphone Boobytrap Thug [Ch. 5] (uncredited)
John Daheim
Henchman Kramer [Ch. 8] (uncredited)
Arvon Dale
Moore - Fur-Truck Driver [Ch. 7] (uncredited)
George Douglas
Prison Ward Room Guard [Ch. 1] (uncredited)
Duke Green
Nichols - Museum Thug [Ch. 10] (uncredited)
James Linn
Bailey - Payroll Messener [Ch. 8] (uncredited)
Carey Loftin
Hodge - Cook's Killer [Ch. 5] (uncredited)
George Magrill
Staley - Trent's Pal in Apartment Looting [Ch. 3] (uncredited)
Tom McDonough
Al - Arresting Officer [Ch. 12] (uncredited)
Tom Monroe
2nd Joe - Bomber Pilot Thug [Ch. 8] (uncredited)
Gil Perkins
Finch - Welder Thug [Ch. 7] (uncredited)
Charles Regan
Hinkey - Finch's Pal [Ch. 7] (uncredited)
Matty Roubert
Shipyard Foreman [Ch. 4] (uncredited)
David Sharpe
Trent - Apartment Thug [Ch. 3] (uncredited)
Charles Sullivan
Morgan - Roadblock Officer [Ch. 7] (uncredited)
Glenn Turner
Dorsey - Laundry Trustee [Ch. 1] (uncredited)
Phil Warren
Special Deputy Roberts [Ch.9] (uncredited)
Russ Whiteman
Det. Baxter [Ch. 11] (uncredited)
Robert J. Wilke
Steele - Phony Detective [Ch. 5] (uncredited)
Bud Wolfe
Foy - Motorcycle Thug [Ch. 1] (uncredited)