Humphrey Bogart

Valentine "Val" Stevens

Margaret Lindsay

Lucille Gordon

Donald Woods

Eric Blake

E. E. Clive

Dr. Hardy

Paul Graetz

Captain Deever

Gordon Hart

Antvar 'Chris' Anderson

George Regas

Otar

Sidney Bracey

Sam

Tetsu Komai

Kim Lee

Miki Morita

Oh Kay

Houseley Stevenson

The Rector

Frank Lackteen

Lanar

George Piltz

Best Native Diver (uncredited)

Frank McDonald