On screen
Cast
23 credited performers
Louis Jourdan
Richard Stuart
Mary Tyler Moore
Elizabeth Sutton
Wilfrid Hyde-White
Dr. Ralph Sawyer
Stanley Holloway
Caretaker
Alexander Knox
Sir Howard Nettleton
Terence Alexander
Peter Martin
Ronald Howard
Insp. Huntington
Laurence Naismith
Lord Dunnsfield
Norman Bird
Sgt. Hooper
Ernest Clark
Chairman
Bernard Archard
Business Spokesman
Nora Nicholson
Miss Abernathy
Jean Anderson
Sister Teresa
Artwork unavailable
Elspeth March
Mrs. Doyle
Artwork unavailable
Geoffrey Cheshire
Navvy
Hilary Pritchard
Peter Martin's Secretary
Artwork unavailable
Hugo de Vernier
Charles
Norma West
Nurse
Arnold Diamond
Swiss News Agent
Artwork unavailable
Timothy Kendrick
Roger
Artwork unavailable
William Burleigh
Brandon
Artwork unavailable
Geoffrey Frederick
Policeman in Richard's Flat
Yutte Stensgaard
Girl At Party