
Police try to solve a murder on board an ocean liner.

as Capt. John Holling

as Lila Kane

as Major Pope

as Inspector Von Kessling

as Prof. Grimson

as First Officer Cliff Rogers

as Granny Plimpton

as Capt. Downey

as Dr. Howard

as Edgar Morton

as Watson

as Joe, the Watchman

as Simms, the Steward

as Spy Chief (uncredited)

as Commander Bryson (uncredited)

as Grimson's Aide (uncredited)

as Waiter (uncredited)

as Aide (uncredited)

as Crewman (uncredited)