Rex Harrison
Cecil Fox
Acting
Susan Hayward
Mrs. Sheridan
Acting
Cliff Robertson
William McFly
Acting
Capucine
Princess Dominique
Acting
Edie Adams
Merle McGill
Acting
Maggie Smith
Sarah Watkins
Acting
Adolfo Celi
Inspector Rizzi
Acting
Hugh Manning
Volpone
Acting
David Dodimead
Mosca
Acting
Mimmo Poli
Cook (uncredited)
Acting
Luigi Scavran
Massimo (uncredited)
Acting
Jack Benny
Violinist Outside Restaurant (uncredited)
Acting
Herschel Bernardi
Oscar Ludwig (uncredited) (scenes deleted)
Acting
Massimo Serato
The Pretender (uncredited) (scenes deleted)
Acting