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.

• Dowling Productions
• United Artists
• Lew Ayres
• Nancy Reagan
• Gene Evans
• Steve Brodie
• Tom Powers
• Lisa Howard
• James Anderson
• Victor Sutherland