In this engrossing, futuristic thriller from master-storyteller Michael Crichton ("Jurassic Park," "Disclosure," TV's "ER"), Oscar-nominee and Golden Globe-winner George Segal ("Just Shoot Me") plays a brilliant computer scientist plagued by violent fits after an auto accident. A micro-computer regulator is installed in his brain, but malfunctions, turning him into a machine-like crazed killer. Co-starring Richard Dysart ("L.A. Law"), Jill Clayburgh ("An Unmarried Woman"), Donald Moffat ("Housesitter") and James B. Sikking ("Doogie Howser, M.D.," "Hill Street Blues").