A mad scientist uses captured criminals as experiments for his study on "the criminal mind" aboard his private ship.
Acting
Lyle Talbot's heroic Lt. Bob delivering every line like he's late for lunch.
Production
One ship set doing Olympic-level heavy lifting for atmosphere.
Writing
Dialogue that treats 'criminal mind' like it's scurvy.
Director
Victor Halperin
Lyle Talbot
Lt. Bob Bennett
Irving Pichel
Dr. Herbert Stander
Julie Bishop
Joan Martel
Sheila Bromley
Poison Mary Slavish
Anthony Averill
Dirk - Stander's Aide
Russell Hopton
Harry 'The Carver' Bogard
Julian Madison
Paul - Stander's Aide
Wheeler Oakman
John Ritter
Stanley Blystone
Capt. Mike Briggs
Skelton Knaggs
Jesse Bixel
Carleton Young
Reporter
Trivia, insights & behind the scenes
Victor Halperin also directed 'White Zombie' (1932), proving he had a type: horror on boats and Bela Lugosi.
This flopped in 1939 because audiences preferred actual monsters to pseudoscience lectures—now it's a pre-Code curiosity.
US
