James Montgomery 'Jim' Wilson

Frankie Gilroy Wilson

Tex Harper

Sonya Dietrich Landers

George Lewis

Abigail 'Mag' MacPherson

Dr. Gregory Landers

Tom Hare

Captain Chundra

Paul, the Purser

Bland (as Peter Lynn)

Lamb

Christopher Ruggles

R. C. Bradford

Chief inspector

Captain Caldwell

Submarine Gun Crewman (uncredited)

Man on Intercom (voice) (uncredited)

Sam

News photographer

Bellhop (uncredited)

Submarine Crewman firing on the Bombay Clipper (uncredited)

Steward (uncredited)

Hotel clerk

News photographer

Chambermaid

Guard (uncredited)

Waiter

Miss Kane - Secretary (uncredited)

Submarine commander

Submarine Gun Crewman (uncredited)

Singapore Policeman (uncredited)

Submarine officer

Directing

Production

Writing

Art

Costume & Make-Up

Directing

Camera

Sound

Production

Art

Art

Acting

Sound

Editing

Costume & Make-Up

Sound