Roman Polanski Director Mia Farrow Rosemary Woodhouse Actor John Cassavetes Guy Woodhouse Actor Ruth Gordon Minnie Castevet Actor Sidney Blackmer Roman Castevet Actor Maurice Evans Edward "Hutch" Hutchins Actor Ralph Bellamy Dr. Abe Sapirstein Actor Elisha Cook Jr. Mr. Nicklas Actor Patsy Kelly Laura-Louise McBirney Actor Charles Grodin Dr. C.C. Hill Actor Ira Levin Writer William Castle Producer Dona Holloway Associate Producer William A. Fraker Cinematographer Sam O'Steen Film Editing Bob Wyman Film Editing Krzysztof Komeda Original Music Richard Sylbert Production Design Joel Schiller Art Director Robert Nelson Set Decoration Anthea Sylbert Costume Design Sydney Guilaroff Hair Stylist Vidal Sassoon Hair Stylist Allan Snyder Makeup Artist Sherry Wilson Hair Stylist William C. Davidson Unit Production Manager Harold Lewis Sound