William Gargan

James Montgomery 'Jim' Wilson

Irene Hervey

Frankie Gilroy Wilson

Charles Lang

Tex Harper

Maria Montez

Sonya Dietrich Landers

Lloyd Corrigan

George Lewis

Mary Gordon

Abigail 'Mag' MacPherson

Truman Bradley

Dr. Gregory Landers

Turhan Bey

Captain Chundra

George Lynn

Bland (as Peter Lynn)

Billy Wayne

Lamb

Wade Boteler

Christopher Ruggles

Warren Ashe

R. C. Bradford

J. Pat O'Malley

Chief inspector

C. Montague Shaw

Captain Caldwell

Philip Ahlm

Submarine Gun Crewman (uncredited)

Edgar Barrier

Man on Intercom (voice) (uncredited)

Paul Dubov

News photographer

Roland Got

Bellhop (uncredited)

Eddie Hall

Submarine Crewman firing on the Bombay Clipper (uncredited)

Riley Hill

Steward (uncredited)

Keith Hitchcock

Hotel clerk

Lal Chand Mehra

Guard (uncredited)

Beatrice Roberts

Miss Kane - Secretary (uncredited)

Mel Ruick

Submarine commander

Harry Strang

Submarine officer