Rex Harrison

Cecil Fox

Susan Hayward

Mrs. Sheridan

Cliff Robertson

William McFly

Capucine

Princess Dominique

Edie Adams

Merle McGill

Maggie Smith

Sarah Watkins

Adolfo Celi

Inspector Rizzi

Hugh Manning

Volpone

David Dodimead

Mosca

Mimmo Poli

Cook (uncredited)

Luigi Scavran

Massimo (uncredited)

Jack Benny

Violinist Outside Restaurant (uncredited)

Herschel Bernardi

Oscar Ludwig (uncredited) (scenes deleted)

Massimo Serato

The Pretender (uncredited) (scenes deleted)

Joseph L. Mankiewicz

Director

David Bretherton

Editor

Gianni Di Venanzo

Director of Photography

John Addison

Original Music Composer

Joseph L. Mankiewicz

Screenplay

Charles K. Feldman

Executive Producer

Thomas Sterling

Novel

John DeCuir

Production Design

Gus Agosti

Assistant Director

Amato Garbini

Makeup Artist

Yvonne Axeworthy

Continuity

Jim Groom

Sound Editor

Alessandro Alberti

Assistant Art Director

Cloudia Rebar

Scenic Artist

David Hildyard

Sound Recordist

Len Shilton

Sound Recordist

Paul S. Fox

Set Decoration

Gabriella Borzini

Hairdresser

Ken Muggleston

Set Dresser

Peter Elliott

First Assistant Editor

Boris Juraga

Art Direction

Lee Theodore

Choreographer

Rolf Gerard

Costume Design

Franco Cirino

Second Assistant Director

Paul S. Fox

Set Dresser

Angelo Binarelli

Unit Manager

Frederick Knott

Theatre Play

Attilio D'Onofrio

Associate Producer

Pasqualino De Santis

Assistant Camera

Ben Jonson

Theatre Play

Giancarlo Del Brocco

Key Makeup Artist

John Addison

Conductor

Charles K. Feldman

Presenter

Eric Stacey

Associate Producer