James Montgomery 'Jim' Wilson
William Gargan
Frankie Gilroy Wilson
Irene Hervey
Bland (as Peter Lynn)
George Lynn
Lamb
Billy Wayne
Christopher Ruggles
Wade Boteler
R. C. Bradford
Warren Ashe
Chief inspector
J. Pat O'Malley
Captain Caldwell
C. Montague Shaw
Submarine Gun Crewman (uncredited)
Philip Ahlm
Man on Intercom (voice) (uncredited)
Edgar Barrier
Sam
Harold Daniels
News photographer
Paul Dubov
Tex Harper
Charles Lang
Bellhop (uncredited)
Roland Got
Submarine Crewman firing on the Bombay Clipper (uncredited)
Eddie Hall
Steward (uncredited)
Riley Hill
Hotel clerk
Keith Hitchcock
Jack G. Lee
Chambermaid
Connie Leon
Guard (uncredited)
Lal Chand Mehra
Waiter
John Picorri
Miss Kane - Secretary (uncredited)
Beatrice Roberts
Submarine commander
Mel Ruick
Sonya Dietrich Landers
Maria Montez
Tom Schamp
Singapore Policeman (uncredited)
Suran Singh
Submarine officer
Harry Strang
George Lewis
Lloyd Corrigan
Abigail 'Mag' MacPherson
Mary Gordon
Dr. Gregory Landers
Truman Bradley
Tom Hare
Phillip Trent
Captain Chundra
Turhan Bey
Paul, the Purser
John Bagni
Costume Design
Eugene Joseff
Technical Advisor
Director of Photography
Stanley Cortez
Director
John Rawlins
Screenplay
Stanley Rubin
Roy Chanslor
Set Decoration
Russell A. Gausman
Vera West
Assistant Director
Melville Shyer
Music Director
Hans J. Salter
Associate Producer
Marshall Grant
Art Direction
Jack Otterson
Assistant Art Director
Harold H. MacArthur
Sound Supervisor
Bernard B. Brown
Editor
Otto Ludwig
Sound
Charles Carroll