Is There Anybody There? (1976)
A beautiful woman, Kate (Tina Grenville), is released from a sanatorium unaware that while she was away her husband John (George Lazenby) has begun an affair with her sister Marianne (Wendy Hughes). The two sisters live together in a creepy apartment block while John is away, and find themselves stalked by some mysterious strangers.
Released: Jun 24, 1976
Runtime: 71 minutes
Stars: Wendy Hughes, Tina Grenville, George Lazenby, Patrick Ward, Chantal Contouri, Gordon McDougall
Crew: Peter Maxwell (Director), Bruce A. Wishart (Screenplay), Colin Waddy (Editor), Bob Young (Music), David Hannay (Executive Producer), Russell Boyd (Cinematography)