How Awful About Allan - Scary Movie

After an eight-month stay in a mental hospital, a tormented man comes home to live with his sister; but a mysterious boarder may be trying to kill him.
Anthony Perkins
Anthony Perkins
Allan
Julie Harris
Julie Harris
Katherine
Joan Hackett
Joan Hackett
Olive
Kent Smith
Kent Smith
Raymond
Robert H. Harris
Robert H. Harris
Dr. Ellins
Molly Dodd
Molly Dodd
Inmate
Billy Bowles
Harold Dennis
Trent Dolan
Eric
Bill Erwin
Bill Erwin
Dr. Ames(as William Erwin)
Jeannette Howe
Katherine - Child
Kenneth Lawrence
Allan - Child
Charles Briles