Fred MacMurray
Trooper Ross Martin
Acting
Ann Sheridan
Mary Adams
Acting
Guy Standing
John Vilker, alias Prof. Anthony
Acting
Marina Koshetz
Nan Vilker
Acting
Dean Jagger
Trooper Jim Burton
Acting
William Frawley
Training Sgt. Barrel
Acting
Frank Craven
Sheriff Peter Arnot
Acting
Nora Cecil
Granny Adams
Acting
Charles C. Wilson
Trooper Captain Ryan
Acting
Joe Sawyer
Whitey, burly henchman
Acting
Mack Gray
Smoke, thin henchman
Acting
Eddy Chandler
Trooper Haynes, Car 45
Acting
Robert Kent
Trooper Blatzky
Acting
John Howard
Trooper Carney
Acting
Alfred Delcambre
Trooper Jamison
Acting
Howard Wilson
Dutch
Acting
Hector V. Sarno
French Charley
Acting
Eddie Dunn
Mack
Acting
Jack Cheatham
Radio Sgt. Meyers
Acting
Russell Hopton
Dispatch Operator Harper
Acting