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