The Mad Ghoul 1943

Synopsis:

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.

Directed by: James P. Hogan
Written by: Brenda Weisberg & Paul Gangelin
Runtime: 65 minutes
Tagline: A Sensation in Horror!
Cast:
George Zucco
George Zucco
Dr. Alfred Morris 
David Bruce
David Bruce
Ted Allison 
Evelyn Ankers
Evelyn Ankers
Isabel Lewis 
Turhan Bey
Turhan Bey
Eric Iverson 
Robert Armstrong
Robert Armstrong
'Scoop' McClure 
Milburn Stone
Milburn Stone
Sgt. Macklin