Cast
エドウィン・マクスウェル
Major Pope
Zeffie Tilbury
Granny Plimpton
George Cleveland
Simms, the Steward
Olaf Hytten
Grimson's Aide (uncredited)
George Nash
Waiter (uncredited)
Noah Beery
Capt. John Holling
Astrid Allwyn
Lila Kane
Gustav von Seyffertitz
Inspector Von Kessling
Cornelius Keefe
First Officer Cliff Rogers
Gordon De Main
Commander Bryson (uncredited)
Slim Whitaker
Crewman (uncredited)
Ralph Lewis
Prof. Grimson
Howard Hickman
Dr. Howard
George 'Gabby' Hayes
Joe, the Watchman