Stage mentalist Gregor the Great becomes enraged when a drunken audience member belittles his act. When the man dies suddenly, Gregor convinces himself that his hypnotic powers are to blame. Wracked with guilt, he retires from performing and takes refuge in Valerie Monet's wax museum. However, Gregor becomes increasingly stressed as he is romantically pursued by Valerie, her niece, and his former stage assistant, Maura Daniel. When Valerie mysteriously disappears, it becomes clear that sinister forces are at work within the museum. Cast: - Lon Chaney Jr. as Alex Gregor (Gregor the Great) - Evelyn Ankers as Maura Daniel - Milburn Stone as George Keene - Douglass Dumbrille as Inspector Brant - Martin Kosleck as Dr. Rudi Polden - Elena Verdugo as Nina Coudreau - Tala Birell as Valerie Monet - Arthur Hohl as Drunk Contestant Runtime: 61 minutes