Sydney Tafler

as Liparus Captain

as Nat Goldberg

as Frank

as Tom, Chief Petty Officer

as Speedboat Owner

as Henry - First Workman, 'Prince of Wales'

as Dr. Higgins

as Robert Desoutter

as Policeman

as Cpl. Robb

as Clayton

as Larry Gordon

as Fred Cowan

as RAF Officer (uncredited)