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