Calificación
Reparto

Fred MacMurray
Trooper Ross Martin

Ann Sheridan
Mary Adams

Guy Standing
John Vilker, alias Prof. Anthony

Marina Koshetz
Nan Vilker

Dean Jagger
Trooper Jim Burton

William Frawley
Training Sgt. Barrel

Frank Craven
Sheriff Peter Arnot

Nora Cecil
Granny Adams

Charles C. Wilson
Trooper Captain Ryan

Joe Sawyer
Whitey, burly henchman

Mack Gray
Smoke, thin henchman

Eddy Chandler
Trooper Haynes, Car 45

Robert Kent
Trooper Blatzky

John Howard
Trooper Carney

Alfred Delcambre
Trooper Jamison

Howard Wilson
Dutch