1945 Film noir
USA
1h 5min
Mild-mannered, newly engaged Joan (Phyllis Thaxter) is hiding a terrible secret from her fiancé: a tormenting, depraved inner voice struggling to take over. Joan's attempt to live a normal life and thwart the homicidal impulses of "Karen" unleashes a deadly drive for vengeance.
| Directed by | Arch Oboler |
| Written by | Arch Oboler |
| Company | Metro-Goldwyn-Mayer (MGM)Metro-Goldwyn-Mayer (MGM)Metro-Goldwyn-Mayer (MGM) |