Mia Farrow (Rosemary Woodhouse), John Cassavetes (Guy Woodhouse), Ruth Gordon (Minnie Castevet), Sidney Blackmer (Roman Castevet), Maurice Evans (Hutch), Ralph Bellamy (Dr. Sapirstein), Victoria Vetri (Terry) more..., Patsy Kelly (Laura-Louise), Elisha Cook Jr. (Mr. Nicklas), Emmaline Henry (Elise Dunstan), Charles Grodin (Dr. Hill), Hanna Landy (Grace Cardiff), Phil Leeds (Dr. Shand), D'Urville Martin (Diego), Hope Summers (Mrs. Gilmore), Marianne Gordon (Rosemary's Girl Friend), Wende Wagner (Rosemary's Girl Friend), William Castle (Phone Booth Man (uncredited)), Tony Curtis (Donald Baumgart (voice) (uncredited)), Clay Tanner (The Devil (uncredited)), Almira Sessions (Mrs. Sabatini (uncredited)), Jean Inness (Sister Agnes (uncredited)), Max Wagner (Man in Dream Sequence (uncredited)), Walter Baldwin (Mr. Wees (uncredited)), Mona Knox (Mrs. Byron (uncredited)), Craig Littler (Jimmy (uncredited)), Patricia O'Neal (Mrs. Wees (uncredited)), Carol Brewster (Claudia Comfort (uncredited)), Robert Osterloh (Mr. Fountain (uncredited)), George R. Robertson (Lou Comfort (uncredited)), Elmer Modlin (Young Man (uncredited)), Rutanya Alda (Dr. Hill's Answering Service (voice) (uncredited)), Sharon Tate (Party Guest (uncredited))

Roman Polanski (Screenplay), William Castle (Producer), Krzysztof Komeda (Original Music Composer), William A. Fraker (Director of Photography), Sam O'Steen (Editor), Bob Wyman (Editor), Richard Sylbert (Production Design) more..., Robert Nelson (Set Decoration), Ira Levin (Novel), Sydney Guilaroff (Hair Designer), Harold Lewis (Sound Recordist), Dona Holloway (Associate Producer), Joel Schiller (Art Direction), Anthea Sylbert (Costume Designer), Hawk Koch (Dialogue Coach), Daniel McCauley (Assistant Director), Vidal Sassoon (Hair Designer), Sherry Wilson (Hairstylist), Allan Snyder (Makeup Designer), William Davidson (Unit Production Manager), Luanna S. Poole (Script Supervisor), Robert Evans (Producer),