An American wakes in an English hospital, unable to remember anything prior to a recent car accident. With only a magazine photograph as a guide, and an unknown benefactor, he attempts to unravel what increasingly looks like a bizarre murder.

• Hammer Film Productions
• Metro-Goldwyn-Mayer British Studios
• Robert Webber
• Anthony Newlands
• Jennifer Jayne
• Maurice Denham
• Lelia Goldoni
• Peter Woodthorpe
• Sandra Boize
• Sue Lloyd