Edward Arnold

Capt. Duncan Maclain

Frances Rafferty

Jean Hampton

Ray Collins

Phillip Treadway

Paul Langton

Barry Gifford

Thomas E. Jackson

Insp. Delaney (as Thomas Jackson)

Morris Ankrum

Ferris (henchman)

Robert Lewis

Stormvig

Francis Pierlot

Kossovsky

Theodore Newton

Gibbs - Chauffeur

Jack Lambert

Louie