Gunner O'Hara / John O'Hara
Sean McClory
Joan Marlowe
Joanne Jordan
Dum-Dum Wilson
Frank Gerstle
Warden Lewis J. Johnson
Willis Bouchey
Jake Freeman
Philip Van Zandt
Prison Guard (uncredited)
Don Haggerty
Police Chief Corbett
Ray Middleton
Gilda
Jaclynne Greene
Flash Logan
Lee Van Cleef
Smiley Di Angelo
James Griffith
Tim Donovan
Hugh Sanders
District Attorney
Roy Roberts
Charlie Green
Peter Mamakos
Danny Marlowe
Robert Crosson
Director
R.G. Springsteen
Director of Photography
Reggie Lanning
Set Decoration
John McCarthy Jr.
Assistant Director
William F. Sheehan
Sound
Joe Edmondson
Art Direction
Walter E. Keller
Roy Wade
Original Music Composer
R. Dale Butts
Edward G. Boyle
Costume Design
Adele Palmer
Writer
John K. Butler
Editor
Tony Martinelli
Script Supervisor
Geraldine Wright