Cinema: Single-Minded

EYEWITNESS Directed by Peter Yates Screenplay by Steve Tesich

William Hurt is long and smooth-muscled and unlined; he looks like an experimental model for the next, higher form of life: Homo computerens. Sigourney Weaver is all beautiful angles and shining intelligence; she could be a Jane Fonda who studied phenomenology at the Sorbonne and washes her face every day with Ivory soap. His voice swoops into baritone breathiness as thoughts pop into his character's mind with the urgency of revelation. Hers is the voice of well-bred reason—behind every line of dialogue there's...