Released: Apr 18, 1940
Runtime: 74 minutes
Genre: Mokslinė fantastika
Stars: Boris Karloff, Roger Pryor, Jo Ann Sayers, Stanley Brown, John Dilson, Hal Taliaferro
Crew: Nick Grindé (Director), Karl Brown (Screenplay), Harold Shumate (Story), Fred B. Phillips (Makeup Artist), Irving Briskin (Executive Producer), Wallace MacDonald (Producer)