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.
Gene Wilder
as Larry Abbot
Gilda Radner
as Vickie Pearl
Dom DeLuise
as Aunt Kate Abbot
Jonathan Pryce
as Charles Abbot
Eve Ferret
as Sylvia
Bryan Pringle
as Pfister
Peter Vaughan
as Uncle Francis Abbot Sr.
Paul L. Smith
as Dr. Paul Abbot
Jim Carter
as Montego
Roger Ashton-Griffiths
as Cousin Francis Jr.
Ann Way
as Rachel
Sally Osborne
as Mrs. Abbot
