 | Lt. 'Brass' Bancroft |
 | Saxby |
 | Pamela Schuyler |
 | Jim Cameron |
 | Gabby Watters |
 | Zelma Warren |
 | Dick Wayne |
 | Joe LeRoy |
Hafer | |
 | Earl 'Ace' Hemrich |
 | Doc |
 | Agent Dawson |
 | Edward V. Powell |
 | Agent Cliff Durell |
 | Adm. A.C. Schuyler |
 | Klune - Henchman Starting Fight |
Mexican | |
Buzzy - San Francisco Radio Operator | |
 | John 'Joe' Vicary |
 | Drunk at Bar |
 | Waiter |
 | Capt. King - Highway Patrol |
 | U.S. Border Patrol Officer |
 | Deputy Warden |
 | Ground Superintendent |
Convict Crowley | |
Patrol Co-Pilot | |
 | Patrol Pilot |
 | Second Tough in Fight |
 | Warden Jackson |
Guard | |
 | Agent Gowing |
Convict Bartell | |
 | Treasury Agent Manning |
 | Pedro - Mexican Bartender |
 | Treasury Agent Aldrich |
 | Guard Cooper |
 | The Turnkey |
 | Ivan - an Alien |
 | Alien - First Flight |
 | Highway Police Announcer (voice) |
 | Alien - First Flight |
 | Road Gang Guard |
 | First Tough in Fight |
First Tough in Fight | |
 | Capt. Cortez - Mexican Police |
Agent Harper | |
Agent Harper | |
 | Chief Morrow |
 | Ivan's Alien Pal |