Inquisitive journalist Grace Collier is horrified when she witnesses her neighbor, fashion model Danielle Breton, violently murder a man. Panicking, she calls the police. But when the detective arrives at the scene and finds nothing amiss, Grace is forced to take matters into her own hands. Her first move is to recruit private investigator Joseph Larch, who helps her to uncover a secret about Danielle's past that has them both seeing double.

Margot Kidder
as Danielle Breton / Dominique Blanchion

Jennifer Salt
as Grace Collier

Charles Durning
as Joseph Larch

William Finley
as Emil Breton

Lisle Wilson
as Phillip Woode

Barnard Hughes
as Arthur McLennen

Mary Davenport
as Mrs. Collier

Dolph Sweet
as Detective Kelly

Olympia Dukakis
as Louise Wilanski

Catherine Gaffigan
as Arlene
John Chard
Sisters are doing it for themselves… Sisters is directed by Brain De Palma who also co-writes the screenplay with Louisa Rose. It stars Margot Kidder, Jennifer Salt, Charles Durning, Lisle Wilson and William Finley. Music is by Bernard Herrmann and cinematography by Gregory Sandor. When newspa...