Radio personalities Larry Abbot and Vickie Pearle are stars of a mystery show. Since they announced their engagement, Larry has been plagued by speech problems and, seeking out an unconventional cure, he returns to his boyhood home, a mansion in the countryside, bringing Vickie along. Larry reunites with numerous family members, but discovers that there are sinister things afoot within the walls of the creepy estate.

• Orion Pictures
• Gene Wilder
• Gilda Radner
• Dom DeLuise
• Jonathan Pryce
• Eve Ferret
• Bryan Pringle
• Peter Vaughan
• Paul L. Smith