A university chemistry professor experiments with an ancient Mayan gas on a medical student, turning the would-be surgeon into a murdering ghoul as part of a plan to steal his lover.
Genres:
George Zucco as Dr. Alfred Morris
David Bruce as Ted Allison
Evelyn Ankers as Isabel Lewis
Turhan Bey as Eric Iverson
Robert Armstrong as 'Scoop' McClure
Milburn Stone as Sgt. Macklin
Addison Richards as Editor Gavigan
Rose Hobart as Della Elliott, reporter
Andrew Tombes as Mortician Eagan
Charles McGraw as Detective Garrity
Lillian Cornell as Isabel's Singing Voice (voice) (uncredited)
Gus Glassmire as 1st Cemetery Caretaker
Gene O'Donnell as Radio Reporter (uncredited)
Mike Lally as Reporter (uncredited)
Chuck Hamilton as Policeman (uncredited)
Hans Herbert as Attendant (uncredited)
Isabel La Mal as Maid (uncredited)
Bess Flowers as Woman in Audience (uncredited)
Cyril Ring as Man in Audience (uncredited)
Bert Moorhouse as Man in Audience (uncredited)
Edmund Mortimer as Man in Audience (uncredited)
Lew Kelly as Stagehand (uncredited)
William Ruhl as Stagehand (uncredited)
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