An American wakes up in an English hospital unable to remember anything of his life before a recent car accident. With only a photograph torn from a newspaper to guide him, and an unknown benefactor, he attempts to unravel what looks increasingly 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