Trilogy of Terror

Trilogy of Terror was a 1975 made for TV thriller that followed three different stories, all written by Richard Matheson and was originally created as a pilot for a horror anthology series.  Each story stars Karen Black, playing the role of 4 different characters.  The first story, "Julie", follows an English teacher who gets romantically involved with a student.  The second story is "Millicent and Therese" where Black plays two sisters who are at odds at each other, and one of the sisters is convinced that the other is an evil being.  The final story is "Amelia", where the title character purchases a tribal doll for her boyfriend's birthday that ends up coming to life.