Mia Farrow

Character: Rosemary Woodhouse

John Cassavetes

Character: Guy Woodhouse

Ruth Gordon

Character: Minnie Castevet

Sidney Blackmer

Character: Roman Castevet

Maurice Evans

Character: Hutch

Ralph Bellamy

Character: Dr. Sapirstein

Victoria Vetri

Character: Terry

Patsy Kelly

Character: Laura-Louise

Elisha Cook Jr.

Character: Mr. Nicklas

Emmaline Henry

Character: Elise Dunstan

Charles Grodin

Character: Dr. Hill

Hanna Landy

Character: Grace Cardiff

Phil Leeds

Character: Dr. Shand

D'Urville Martin

Character: Diego

Hope Summers

Character: Mrs. Gilmore

Marianne Gordon

Character: Rosemary's Girl Friend

Wende Wagner

Character: Rosemary's Girl Friend

William Castle

Character: Phone Booth Man (uncredited)

Tony Curtis

Character: Donald Baumgart (voice) (uncredited)

Clay Tanner

Character: The Devil (uncredited)

Almira Sessions

Character: Mrs. Sabatini (uncredited)

Jean Inness

Character: Sister Agnes (uncredited)

Max Wagner

Character: Man in Dream Sequence (uncredited)

Walter Baldwin

Character: Mr. Wees (uncredited)

Mona Knox

Character: Mrs. Byron (uncredited)

Craig Littler

Character: Jimmy (uncredited)

Patricia O'Neal

Character: Mrs. Wees (uncredited)

Carol Brewster

Character: Claudia Comfort (uncredited)

Robert Osterloh

Character: Mr. Fountain (uncredited)

George R. Robertson

Character: Lou Comfort (uncredited)

Elmer Modlin

Character: Young Man (uncredited)

Rutanya Alda

Character: Dr. Hill's Answering Service (voice) (uncredited)

Sharon Tate

Character: Party Guest (uncredited)