"A night worker at a mental institution finds his job beginning to change."
Denholm Elliott
as Swan
Billie Whitelaw
as Wendy
Dennis Waterman
as Richard
Richard Vernon
as Stanley
Ruth Dunning
as Mrs. Trent
Michele Dotrice
as Vickie
Hilda Barry
as Mrs. Mullins
Alfred Bell
as Evans
Giles Block
as John
Dudley Jones
as Blagden
Karin MacCarthy
as Joan
Peter Ransley
Writer
Donald McWhinnie
Director
Roderick Graham
Producer
