1973
Pamela Franklin
as Florence Tanner
Roddy McDowall
as Benjamin Franklin Fischer
Clive Revill
as Dr. Lionel Barrett
Gayle Hunnicutt
as Ann Barrett
Roland Culver
as Mr. Rudolph Deutsch
Peter Bowles
as Hanley
Michael Gough
as Emeric Belasco (uncredited)
Delia Derbyshire
Dudley Simpson
Alan Hume
Brian Hodgson
Richard Matheson
Susan Hart
James H. Nicholson
Norman T. Herman
John Hough
Albert Fennell
