Cast
Lon Chaney Jr.
Leonard M. 'Alamo' Smith
Charles Bronson
Benny Kelly
Roy Roberts
Chief Ranger Will Erickson
Willis Bouchey
Robertson Lambert
Peter J. Votrian
Danny Lambert
Stafford Repp
Police Warden Machek (uncredited)
Broderick Crawford
Rollo Lamar
William Talman
William 'Machine Gun' Mason
Harry Wilson
Inmate Who Starts Fight (uncredited)
Ralph Meeker
Geraldo 'Jerry' Barker aka Iceman
Reed Hadley
Special FBI Agent James Madden
Felicia Farr
Emily Euridice Evans
Nelson Leigh
Madden's FBI Supervisor (uncredited)
Robert Bray
Ranger McCormick
William Boyett
Ranger at Park Exit (uncredited)
Gregg Martell
Accomplice on Fishing Boat (uncredited)
Jan Merlin
Tommy (uncredited)