William Gargan

Character: James Montgomery 'Jim' Wilson

Irene Hervey

Character: Frankie Gilroy Wilson

Charles Lang

Character: Tex Harper

Maria Montez

Character: Sonya Dietrich Landers

Lloyd Corrigan

Character: George Lewis

Mary Gordon

Character: Abigail 'Mag' MacPherson

Truman Bradley

Character: Dr. Gregory Landers

Phillip Trent

Character: Tom Hare

Turhan Bey

Character: Captain Chundra

John Bagni

Character: Paul, the Purser

George Lynn

Character: Bland (as Peter Lynn)

Billy Wayne

Character: Lamb

Wade Boteler

Character: Christopher Ruggles

Warren Ashe

Character: R. C. Bradford

J. Pat O'Malley

Character: Chief inspector

C. Montague Shaw

Character: Captain Caldwell

Philip Ahlm

Character: Submarine Gun Crewman (uncredited)

Edgar Barrier

Character: Man on Intercom (voice) (uncredited)

Harold Daniels

Character: Sam

Paul Dubov

Character: News photographer

Roland Got

Character: Bellhop (uncredited)

Eddie Hall

Character: Submarine Crewman firing on the Bombay Clipper (uncredited)

Riley Hill

Character: Steward (uncredited)

Keith Hitchcock

Character: Hotel clerk

Jack G. Lee

Character: News photographer

Connie Leon

Character: Chambermaid

Lal Chand Mehra

Character: Guard (uncredited)

John Picorri

Character: Waiter

Beatrice Roberts

Character: Miss Kane - Secretary (uncredited)

Mel Ruick

Character: Submarine commander

Tom Schamp

Character: Submarine Gun Crewman (uncredited)

Suran Singh

Character: Singapore Policeman (uncredited)

Harry Strang

Character: Submarine officer