Lionel Twain
Truman Capote
Butler Jamesir Bensonmum
Alec Guinness
Kitchen Maid Yetta
Nancy Walker
Marcel Cassette
James Cromwell
Willie Wang
Richard Narita
Door Bell (archive sound) (uncredited)
Fay Wray
Sidney Wang
Peter Sellers
Dick Charleston
David Niven
Dora Charleston
Maggie Smith
Milo Perrier
James Coco
Sam Diamond
Peter Falk
Tess Skeffington
Eileen Brennan
Jessica Marbles
Elsa Lanchester
Nurse Withers
Estelle Winwood
Writer
Neil Simon
Title Graphics
Charles Addams
Makeup Supervisor
Charles H. Schram
Producer
Ray Stark
Original Music Composer
Dave Grusin
Director
Robert Moore
Costume Design
Ann Roth
Supervising Film Editor
Margaret Booth
Editor
John F. Burnett
Director of Photography
David M. Walsh
Casting
Jennifer Shull
Gaffer
Norman Harris
Special Effects
Augie Lohman
Boom Operator
Joseph Kite
Makeup Artist
Joe DiBella
Still Photographer
Mel Traxel
Assistant Director
Fred T. Gallo
Stunts
Maurice Marks
Camera Operator
Roger Shearman Jr.
Sound mixer
Jerry Jost
Assistant Editor
Michael A. Stevenson
Sound Re-Recording Mixer
Tex Rudloff
Sound Effects Editor
Frank E. Warner
Carpenter
Ron Frazier
First Assistant Camera
Robert Edesa
Hairstylist
Vivienne Walker
Set Decoration
Marvin March
Title Designer
Wayne Fitzgerald
Production Design
Stephen B. Grimes
Second Assistant Director
David Sosna
Editorial Staff
John Brice
Assistant Production Manager
Shari Leibowitz
Associate Producer
Roger M. Rothstein
Art Direction
Harry Kemm
Costumer
Tony Faso
Dialogue Coach
George Rondo
Unit Publicist
Carol Shapiro
Assistant Costume Designer
Mary Malin
Music Editor
George Probert
Key Grip
Richard Moran
Finance
Vince Martinez
Agnes G. Henry
Producer's Assistant
Frank Bueno
Continuity
Julia Tucker
Property Master
Terry E. Lewis