 Broderick CrawfordRollo Lamar | Rollo Lamar |
 Ralph MeekerGeraldo 'Jerry' Barker aka Iceman | Geraldo 'Jerry' Barker aka Iceman |
 Reed HadleySpecial FBI Agent James Madden | Special FBI Agent James Madden |
 William TalmanWilliam 'Machine Gun' Mason | William 'Machine Gun' Mason |
 Lon Chaney Jr.Leonard M. 'Alamo' Smith | Leonard M. 'Alamo' Smith |
 Charles BronsonBenny Kelly | Benny Kelly |
 Felicia FarrEmily Euridice Evans | Emily Euridice Evans |
 Roy RobertsChief Ranger Will Erickson | Chief Ranger Will Erickson |
 Willis BoucheyRobertson Lambert | Robertson Lambert |
 Peter J. VotrianDanny Lambert | Danny Lambert |
 Robert BrayRanger McCormick | Ranger McCormick |
 William BoyettRanger at Park Exit (uncredited) | Ranger at Park Exit (uncredited) |
 Nelson LeighMadden's FBI Supervisor (uncredited) | Madden's FBI Supervisor (uncredited) |
 Gregg MartellAccomplice on Fishing Boat (uncredited) | Accomplice on Fishing Boat (uncredited) |
| BBill McLeanDipsy (uncredited) | Dipsy (uncredited) |
 Jan MerlinTommy (uncredited) | Tommy (uncredited) |
| JJoe PloskiConvict (uncredited) | Convict (uncredited) |
 Stafford ReppPolice Warden Machek (uncredited) | Police Warden Machek (uncredited) |
 Harry WilsonInmate Who Starts Fight (uncredited) | Inmate Who Starts Fight (uncredited) |
