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