A man witnesses a murder in a secluded mansion. When he reports it, there's no evidence of the murder, or that anyone was there. Two years later he wakes up in a hospital room after a polo accident to find he's had amnesia, is now married, and living in Switzerland. Now remembering the incident he returns to England to try to solve the mystery.

Genres

Cast

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