Police try to solve a murder on board an ocean liner.
Cast:
Noah Beery, Astrid Allwyn, Edwin Maxwell, Gustav von Seyffertitz, Ralph Lewis
Production:
Paul Malvern Productions, Monogram Pictures
Capt. John Holling
Lila Kane
Major Pope
Inspector Von Kessling
Prof. Grimson
First Officer Cliff Rogers
Granny Plimpton
Capt. Downey
Dr. Howard
Edgar Morton
Watson
Joe, the Watchman
Simms, the Steward
Spy Chief (uncredited)
Commander Bryson (uncredited)
Grimson's Aide (uncredited)
