Sybil (1976 film)

Sybil is a 1976 American drama film that originally aired as a madefortelevision miniseries. It is based on the book of the same name.

Later that evening, Dr. Wilbur receives a late night call from someone who identifies herself as Vickie and says Sybil is about to jump out a hotel window. Dr. Wilbur rescues Sybil, who denies knowing Vickie. Suddenly Sybil becomes hysterical and begins speaking like a little girl. This little girl introduces herself as Peggy, and Wilbur realizes that Sybil is suffering from dissociative identity disorder.Vickie introduces herself to Wilbur at the next session. Vickie, who knows everything about the other personalities, tells Wilbur about some of them, including Marcia, who is suicidal and wants to kill Sybil, and Vanessa, who plays the piano although Sybil has not played in years and swears she forgot how to play piano. ........

Source: Wikipedia