SINOPSIS
A mad scientist manages to isolate a horrible creature that exists in everyone, lying dormant until aroused by fear.
- Vincent PriceDr. Warren Chapin
- Judith EvelynMrs. Martha Ryerson Higgins
- Darryl HickmanDavid Morris
- Patricia CuttsIsabel Stevens Chapin
- Pamela LincolnLucy Stevens
- Philip CoolidgeOliver 'Ollie' Higgins
- Leon AltonMember of Silent Movie Audience (uncredited)
- Gertrude AstorMember of Silent Movie Audience (uncredited)