طاقم التمثيل
Marjorie Gateson
Mrs. Winslow
Francis Pierlot
Professor Mudge
Erwin Kalser
Dr. Adolph Behrens
Jessie Busley
Mrs. Mudge
Don Beddoe
Ship's Chief Engineer Anderson
Wyndham Standing
Man
Constance Bennett
Christine Blaine
John Halliday
John Morgan
Bruce Bennett
Ship's gunnery officer
Frank Sully
Tommy Malone
Stanley Logan
Captain James P. Hollister
Dick Rich
Perrin's Henchman at Dock
Douglas Gordon
Ship's Lookout
Pat O'Brien
Mike Farrough
Alan Baxter
Larry Perrin, alias Larry Ross
Melville Cooper
Ship's Mate Penney
Norbert Schiller
Submarine First Officer
Olaf Hytten
Agent
Frank Baker
Detective
Edgar Buchanan
Charles Atterbee