As the result of a head injury, brilliant computer scientist Harry Benson begins to experience violent seizures. In an attempt to control the seizures, Benson undergoes a new surgical procedure in which a microcomputer is inserted into his brain. The procedure is not entirely successful.
George Segal
as Harry Benson
Joan Hackett
as Dr. Janet Ross
Richard Dysart
as Dr. John Ellis
Donald Moffat
as Dr. Arthur McPherson
Michael C. Gwynne
as Dr. Robert Morris
William Hansen
as Dr. Ezra Manon
Jill Clayburgh
as Angela Black
Norman Burton
as Det. Capt. Anders
James B. Sikking
as Ralph Friedman
Matt Clark
as Gerhard
Jim Antonio
as Richards
Steve Kanaly
as Edmonds