A scientist takes the brain of dead man and revives it via electrodes as it lays suspended in a tank of liquid. Soon, the brain grows to possess enormous psychic powers and inflicts its personality upon the doctor who saved it, creating a "Jekyll and Hyde" paradigm.
Dr. Patrick J. Cory
Janice Cory
Dr. Frank Schratt
Herbie Yocum
Donovan's Washington Advisor
Chloe Donovan
Chief Tuttle
Nathaniel Fuller
Tom Donovan
Mr. Webster
Treasury Agent Brooke
Tailor
Mr. McNish (uncredited)
Detective Who Follows Dr. Cory from Hotel (uncredited)
W. J. Higgins (uncredited)
Man leaving Fuller's Office (uncredited)
Dr. Crane (uncredited)
Station Agent (uncredited)
Man leaving Fuller's Office (uncredited)
