Shiftless dreamer Michael Rogers fantasizes about a lifestyle above his means and marries a wealthy, young girl who just came of age. They hire a famous architect to build their dream home amidst a series of suspicious incidents. The spouse has dark intentions toward his naive, inexperienced bride. Secrets from his past and sinister ties to their house guest Greta lead to a terrible turn of unexpected events.
Hayley Mills
as Ellie Thomsen
Hywel Bennett
as Michael Rogers
Britt Ekland
as Greta
Per Oscarsson
as Santonix
George Sanders
as Andrew Lippincott
Aubrey Richards
as Dr. Philpott
Ann Way
as Mrs. Philpott
Patience Collier
as Miss Townsend
Peter Bowles
as Reuben
Lois Maxwell
as Cora
David Bauer
as Uncle Frank
Helen Horton
as Aunt Beth
