People: Aug. 17, 1981

For his role in the film version of Ira Levin's Deathtrap, Actor Michael Caine is dressed to kill in a $2,500 Sulka robe and a pair of $300 silk Gucci pajamas. Caine, 47, plays Sidney Bruhl, a writer of stage thrillers who has not had a Broadway hit in years. Then a former student of his, played by Christopher Reeve, 28, turns up at his converted windmill in East Hampton, N.Y., with a murderously good play. In a plot with more twists than a Chubby Checker concert, Bruhl conspires with his wife (Dyan Cannon)...