Truman Capote

Lionel Twain

Alec Guinness

Butler Jamesir Bensonmum

Peter Sellers

Sidney Wang

David Niven

Dick Charleston

Maggie Smith

Dora Charleston

James Coco

Milo Perrier

Peter Falk

Sam Diamond

Eileen Brennan

Tess Skeffington

Elsa Lanchester

Jessica Marbles

Estelle Winwood

Nurse Withers

Nancy Walker

Kitchen Maid Yetta

James Cromwell

Marcel Cassette

Richard Narita

Willie Wang

Fay Wray

Door Bell (archive sound) (uncredited)

Robert Moore

Director

Ray Stark

Producer

Dave Grusin

Original Music Composer

David M. Walsh

Director of Photography

John F. Burnett

Editor

Jennifer Shull

Casting

Neil Simon

Writer

Marvin March

Set Decoration

Ann Roth

Costume Design

Joe DiBella

Makeup Artist

Vivienne Walker

Hairstylist

Fred T. Gallo

Assistant Director

Ron Frazier

Carpenter

Jerry Jost

Sound mixer

Joseph Kite

Boom Operator

Tex Rudloff

Sound Re-Recording Mixer

Frank E. Warner

Sound Effects Editor

Augie Lohman

Special Effects

Robert Edesa

First Assistant Camera

Maurice Marks

Stunts

Norman Harris

Gaffer

Roger Shearman Jr.

Camera Operator

Mel Traxel

Still Photographer

Margaret Booth

Supervising Film Editor

Michael A. Stevenson

Assistant Editor

Charles Addams

Title Graphics

Wayne Fitzgerald

Title Designer

Stephen B. Grimes

Production Design

Roger M. Rothstein

Associate Producer

David Sosna

Second Assistant Director

George Probert

Music Editor

John Brice

Editorial Staff

Harry Kemm

Art Direction

Charles H. Schram

Makeup Supervisor

Tony Faso

Costumer

Agnes G. Henry

Costumer

Shari Leibowitz

Assistant Production Manager

George Rondo

Dialogue Coach

Richard Moran

Key Grip

Vince Martinez

Finance

Mary Malin

Assistant Costume Designer

Carol Shapiro

Unit Publicist

Frank Bueno

Producer's Assistant

Julia Tucker

Continuity

Terry E. Lewis

Property Master