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

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)

Almira Sessions
Mrs. Sabatini (uncredited)

Walter Baldwin
Mr. Wees (uncredited)

Mona Knox
Mrs. Byron (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)