Diane Freeling was played by JoBeth Williams. She is the second main protagonist of the original Poltergeist and its first sequel. Diane Freeling Image:Poltergeist 10924213 ori.jpg Known relatives Steve Freeling (spouse) Dana Freeling (daughter) Robbie Freeling (son) Carol Anne Freeling (daughter) Big Ed (father, life or death status unconfirmed) Jessica (mother, deceased) Pat (sister) Film Poltergeist Status Alive Portrayed by JoBeth Williams