Upon awaking in the morning, a man finds his thoughts clouded by the possibility that he committed a murder.
Direction
Baker's elegant camera movements elevate this programmer into art.
Acting
Merrill's sweaty, trembling descent into possible madness.
Score
Hugo Friedhofer's jazz-infused paranoia soundtrack.

Director
Roy Ward Baker
Trivia, insights & behind the scenes
Roy Ward Baker made this between A Night to Remember and his Hammer horror period, proving he could do psychological nuance on a shoestring.
The film's entire structure mirrors alcoholic blackouts—fragments, false memories, and the horror of not knowing what you did. Baker reportedly studied actual case studies of dissociative fugue.