Warren Beatty

Harley Rummel

Leslie Caron

Michele O'Brien

Robert Cummings

Dr. Philip Brock

Keenan Wynn

Angelo Carelli

Lionel Stander

Sam

Asa Maynor

Rusty

Cathleen Nesbitt

Mrs. Brock

Michael Bradley

John Thomas

Warren Mitchell

Frank Focus / Panel Moderator

Sydney Tafler

Panel Participant

Michael Kane

Staff Doctor

Riggs O'Hara

Glue Sniffer

Mavis Villiers

Rusty's Mother

Margaret Nolan

Mail-Order Film Girl

Viviane Ventura

Mail-Order Film Girl

George Moon

Neighbour

Charlotte Holland

Neighbour

Ferdy Mayne

Vittorio Fettucini

Libby Morris

Clinic Mother

Bessie Love

Pet Shop Customer

Jill Adams

Mrs. B.M. von Crispin

Donald Sutherland

Autograph Seeking Father (uncredited)

Jo Anne Worley

Autograph Seeking Mother (uncredited)

Anita Sharp-Bolster

Mrs. Egan (uncredited)

Chuck Julian

Grocery Clerk (uncredited)

Vera Goulet

Nurse (uncredited)

Michael Chaplin

Heathcliff – Beatnik (uncredited)

Pauline Chamberlain

Woman in Audience (uncredited)

John Wakefield

Unit Manager

Arthur Hiller

Director

Stanley Rubin

Producer

Lyn Murray

Original Music Composer

Douglas Slocombe

Director of Photography

John Shirley

Editor

Maude Spector

Casting

Wilfred Shingleton

Production Design

David Ffolkes

Set Decoration

Beatrice Dawson

Costume Design

Bob Lawrance

Makeup Artist

Pat McDermott

Hairstylist

Charles E. Parker

Makeup Artist

Ronnie Bear

Production Manager

Urnee Robinson

Second Unit Director

John Cox

Sound

Christopher Lancaster

Sound Editor

George Stephenson

Sound

Bert Mason

Camera Operator

Chic Waterson

Camera Operator

Robin Vidgeon

Focus Puller

John Briggs

Wardrobe Supervisor

Jean Fairlie

Wardrobe Supervisor

Maurice Binder

Title Designer

Lionel Blair

Choreographer

Angela Allen

Script Supervisor

William Peter Blatty

Screenplay

Arne Sultan

Original Story

Marvin Worth

Original Story

Ted Sturgis

Assistant Director