Tanned, basso-voiced and ever-seductive, Robert Evans is a former child actor who, at age twenty, became a successful clothing manufacturer before returning to the screen as real-life studio executive Irving G Thalberg in the biopic of actor Lon Chaney, "Man of a Thousand Faces," in 1957 (legend says Thalberg's widow, actress Norma Shearer, spotted the hunky, smooth operator Evans on the telephone poolside at the Beverly Hills Hotel and, feeling he was the spitting image of her husband, put him up for the part). Evans then parlayed his screen image as a studio exec into a job as the real