Cast
Billy Wayne
Lamb
Lal Chand Mehra
Guard (uncredited)
Beatrice Roberts
Miss Kane - Secretary (uncredited)
Lloyd Corrigan
George Lewis
Truman Bradley
Dr. Gregory Landers
Phillip Trent
Tom Hare
Paul Dubov
News photographer
Roland Got
Bellhop (uncredited)
Irene Hervey
Frankie Gilroy Wilson
John Bagni
Paul, the Purser
J. Pat O'Malley
Chief inspector
Mary Gordon
Abigail 'Mag' MacPherson
Eddie Hall
Submarine Crewman firing on the Bombay Clipper (uncredited)
Warren Ashe
R. C. Bradford
Riley Hill
Steward (uncredited)
John Picorri
Waiter
Harry Strang
Submarine officer
Maria Montez
Sonya Dietrich Landers
C. Montague Shaw
Captain Caldwell
Edgar Barrier
Man on Intercom (voice) (uncredited)
William Gargan
James Montgomery 'Jim' Wilson
George Lynn
Bland (as Peter Lynn)
Wade Boteler
Christopher Ruggles
Charles Lang
Tex Harper
Turhan Bey
Captain Chundra