Cecil Fox
Rex Harrison
Mrs. Sheridan
Susan Hayward
Massimo (uncredited)
Luigi Scavran
William McFly
Cliff Robertson
Princess Dominique
Capucine
Merle McGill
Edie Adams
Sarah Watkins
Maggie Smith
Inspector Rizzi
Adolfo Celi
Volpone
Hugh Manning
Mosca
David Dodimead
Cook (uncredited)
Mimmo Poli
Director
Joseph L. Mankiewicz
Screenplay
Assistant Camera
Pasqualino De Santis
Editor
David Bretherton
Director of Photography
Gianni Di Venanzo
Original Music Composer
John Addison
Executive Producer
Charles K. Feldman
Novel
Thomas Sterling
Production Design
John DeCuir
Assistant Director
Gus Agosti
Makeup Artist
Amato Garbini
Continuity
Yvonne Axeworthy
Sound Editor
Jim Groom
Assistant Art Director
Alessandro Alberti
Scenic Artist
Cloudia Rebar
Sound Recordist
David Hildyard
Len Shilton
Set Decoration
Paul S. Fox
Hairdresser
Gabriella Borzini
Set Dresser
Ken Muggleston
First Assistant Editor
Peter Elliott
Art Direction
Boris Juraga
Choreographer
Lee Theodore
Costume Design
Rolf Gerard
Second Assistant Director
Franco Cirino
Unit Manager
Angelo Binarelli
Original Story
Ben Jonson
Theatre Play
Frederick Knott
Associate Producer
Attilio D'Onofrio