Top Cast
Carol Lynley
Sylvia Daly
Christopher Cazenove
Frank Daly
David Healy
Jack Mervyn
Judy Loe
Betty Mervyn
Bernard Kay
Mr. Donald Prentice
Vivienne Burgess
Mrs. Jessica Prentice
Brandon Price
Paranormal Research Scientist
Peter Bland
Policeman
Hugh Sullivan
Director
Marianne Stone
Woman Downstairs
Anthony Morton
Maitre D
John D. Collins
Estate Agent