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 Cahill Wilson

Trooper Captain Ryan

Joe Sawyer

Whitey, burly henchman