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

William Castle

Phone Booth Man (uncredited)

Tony Curtis

Donald Baumgart (voice) (uncredited)

Almira Sessions

Mrs. Sabatini

Walter Baldwin

Mr. Wees

Craig Littler

Jimmy

Robert Osterloh

Mr. Fountain

Rutanya Alda

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

Sharon Tate

Party Guest (uncredited)