Humphrey Bogart

Character: Valentine "Val" Stevens

Margaret Lindsay

Character: Lucille Gordon

Donald Woods

Character: Eric Blake

E. E. Clive

Character: Dr. Hardy

Paul Graetz

Character: Captain Deever

Gordon Hart

Character: Antvar 'Chris' Anderson

George Regas

Character: Otar

Sidney Bracey

Character: Sam

Tetsu Komai

Character: Kim Lee

Miki Morita

Character: Oh Kay

Houseley Stevenson

Character: The Rector

Frank Lackteen

Character: Lanar

George Piltz

Character: Best Native Diver (uncredited)