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
Charles Bronson
Benny Kelly
Felicia Farr
Emily Euridice Evans
Roy Roberts
Chief Ranger Will Erickson
Willis Bouchey
Robertson Lambert
Peter J. Votrian
Danny Lambert
Robert Bray
Ranger McCormick
William Boyett
Ranger at Park Exit (uncredited)
Nelson Leigh
Madden's FBI Supervisor (uncredited)
Gregg Martell
Accomplice on Fishing Boat (uncredited)
Bill McLean
Dipsy (uncredited)
Jan Merlin
Tommy (uncredited)
Joe Ploski
Convict (uncredited)
Stafford Repp
Police Warden Machek (uncredited)
Harry Wilson
Inmate Who Starts Fight (uncredited)
