Synopsis: Margot Kidder is Danielle, a beautiful model separated from her Siamese twin, Dominique. When a hotshot reporter (Jennifer Salt) suspects Dominique of a brutal murder, she becomes dangerously ensnared in the sisters’ insidious sibling bond. A scary and stylish paean to female destructiveness, De Palma’s first foray into horror voyeurism is a stunning amalgam of split-screen effects, bloody birthday cakes, and a chilling score by frequent Hitchcock collaborator Bernard Herrmann.
Interviews from 2004 with De Palma, Actors Bill Finley & Charles Durning, Editor Paul Hirsch & Producer Edward R. Pressman
Audio from a 1973 Discussion with De Palma at the American Film Institute
Appearance from 1970 by Actor Margot Kidder on The Dick Cavett Show
Photo Gallery & Radio Spots
Essay by Critic Carrie Rickey, Excerpts from a 1973 interview with De Palma on the making of the film & a 1973 Article by the director on working with Composer Bernard Herrmann