The Man Upstairs 1958

Synopsis:

The mental breakdown of a guilt-ridden man provides the drama in this fascinating psychological profile starring Richard Attenborough as a scientist who can't live with himself after he accidently kills the brother of his fiancee.

Directed by: Don Chaffey
Written by: Alun Falconer
Runtime: 88 minutes
Tagline: A night of shattering suspense
Cast:
Richard Attenborough
Richard Attenborough
Peter Watson 
Bernard Lee
Bernard Lee
Inspector Thompson 
Donald Houston
Donald Houston
Dr. Sanderson 
Dorothy Alison
Dorothy Alison
Mrs. Barnes 
Patricia Jessel
Patricia Jessel
Mrs. Lawrence 
Virginia Maskell
Virginia Maskell
Helen Grey