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