Several old college friends converge at a mansion, ostensibly for a pleasant reunion. Larry Dann, the most easygoing of the bunch, comes to the conclusion that all is not well in the old dark house. For one thing, he's run across several people whom he's never met. For another, they all seem to be of a different time and place.
Larry Dann
as Talbot
Murray Melvin
as McFayden
Vivian MacKerrell
as Duller
Marianne Faithfull
as Sophy Kwykwer
Penelope Keith
as Rennie
Barbara Shelley
as Matron
Anthony Bate
as Doctor Borden
Sally Grace
as Girl
Leigh Lawson
as Robert