Trooper Ross Martin
Mary Adams
John Vilker, alias Prof. Anthony
Nan Vilker
Trooper Jim Burton
Training Sgt. Barrel
Sheriff Peter Arnot
Granny Adams
Trooper Captain Ryan
Whitey, burly henchman
Smoke, thin henchman
Trooper Haynes, Car 45
Trooper Blatzky
Trooper Carney
Trooper Jamison
Dutch
French Charley
Mack
Radio Sgt. Meyers
Dispatch Operator Harper