Howard W. Koch
Director
Charles D. Hall
Production Design
John C. Higgins
Screenplay
Paul Dunlap
Original Music Composer
George W. George
Story
Gordon Avil
Director of Photography
Aubrey Schenck
Producer
John F. Schreyer
Editor
George F. Slavin
Story
Broderick Crawford
Rollo Lamar
Ralph Meeker
Geraldo 'Jerry' Barker aka Iceman
Reed Hadley
Special FBI Agent James Madden
William Talman
William 'Machine Gun' Mason
Lon Chaney Jr.
Leonard M. 'Alamo' Smith (as Lon Chaney)
Charles Bronson
Benny Kelly
Felicia Farr
Emily Euridice Evans (as Randy Farr)
Roy Roberts
Chief Ranger Will Erickson
Willis Bouchey
Robertson Lambert (as Willis B. Bouchey)
Peter J. Votrian
Danny Lambert (as Peter Votrian)
Robert Bray
Ranger McCormick
William Boyett
Nelson Leigh
Gregg Martell
Bill McLean
Jan Merlin
Joe Ploski
Stafford Repp
Police Warden Machek
Harry Wilson
