"Who was possessed by the Devil at Longleat?"
A debauched young aristocrat entrusts the running of his country house to Tom, the butler, on whom he depends absolutely. Before long the servant begins to dominate his master, to the alarm of the newly hired German nanny who senses sinister, demonic intent in Tom's control of the house.
Tom the butler

Lily

Carlotta

Gregory

Beate

Clurman
Jones

Agnes
Cocky
Serena
Morrell

Dr. Barratt
Mrs. Barratt
Gerrard
Susannah

Long Haired Bearded Dinner Party Guest (uncredited)
