Mia Farrow as Rosemary Woodhouse

John Cassavetes as Guy Woodhouse

Ruth Gordon as Minnie Castevet

Sidney Blackmer as Roman Castevet

Maurice Evans as Hutch

Ralph Bellamy as Dr. Sapirstein

Victoria Vetri as Terry

Patsy Kelly as Laura-Louise

Elisha Cook Jr. as Mr. Nicklas

Emmaline Henry as Elise Dunstan

Charles Grodin as Dr. Hill

Hanna Landy as Grace Cardiff

Phil Leeds as Dr. Shand

D'Urville Martin as Diego

Hope Summers as Mrs. Gilmore

Marianne Gordon as Rosemary's Girl Friend

Wende Wagner as Rosemary's Girl Friend

William Castle as Phone Booth Man (uncredited)

Tony Curtis as Donald Baumgart (voice) (uncredited)

Clay Tanner as The Devil (uncredited)

Almira Sessions as Mrs. Sabatini (uncredited)

Jean Inness as Sister Agnes (uncredited)

Max Wagner as Man in Dream Sequence (uncredited)

Walter Baldwin as Mr. Wees (uncredited)

Mona Knox as Mrs. Byron (uncredited)

Craig Littler as Jimmy (uncredited)

Patricia O'Neal as Mrs. Wees (uncredited)

Carol Brewster as Claudia Comfort (uncredited)

Robert Osterloh as Mr. Fountain (uncredited)

George R. Robertson as Lou Comfort (uncredited)

Elmer Modlin as Young Man (uncredited)

Rutanya Alda as Dr. Hill's Answering Service (voice) (uncredited)

Sharon Tate as Party Guest (uncredited)