演职人员
导演
William Nigh
Capt. John Holling
Noah Beery
Lila Kane
Astrid Allwyn
Major Pope
埃德温·马克斯韦尔
Inspector Von Kessling
Gustav von Seyffertitz
Prof. Grimson
Ralph Lewis
First Officer Cliff Rogers
Cornelius Keefe
Granny Plimpton
Zeffie Tilbury
Capt. Downey
Boothe Howard
Dr. Howard
Howard Hickman
Edgar Morton
Jerry Stewart
Watson
John M. Sullivan
Joe, the Watchman
George 'Gabby' Hayes
Simms, the Steward
George Cleveland
Spy Chief (uncredited)
Raymond Brown
Commander Bryson (uncredited)
Gordon De Main
Grimson's Aide (uncredited)
Olaf Hytten
Waiter (uncredited)
George Nash
Aide (uncredited)
Harry Schultz
Crewman (uncredited)
Slim Whitaker