Cast
- Noah Beery as Capt. John Holling
- Astrid Allwyn as Lila Kane
- Edwin Maxwell as Major Pope
- Gustav von Seyffertitz as Inspector Von Kessling
- Ralph Lewis as Prof. Grimson
- Cornelius Keefe as First Officer Cliff Rogers
- Zeffie Tilbury as Granny Plimpton
- Boothe Howard as Capt. Downey
- Howard Hickman as Dr. Howard
- Jerry Stewart as Edgar Morton
Crew
- William Nigh · Director
- Edgar Wallace · Writer
- Wellyn Totman · Writer
- Paul Malvern · Producer
- Archie Stout · Cinematographer
- Carl Pierson · Editor