Belfagor
Vittorio Gassman
Maddalena De Medici
Claudine Auger
Lorenzo de' Medici
Gabriele Ferzetti
Clarice
Hélène Chanel
Inn's customer
Paolo Bonacelli
Innkeeper
Corrado Olmi
Soldier (uncredited)
Omero Capanna
Marco Tulli
biografo di Lorenzo
Ugo Fangareggi
Franco De Rosa
Ernesto Colli
Giovanni Ivan Scratuglia
Adramelek
Mickey Rooney
Roberto De Simone
Capitano Gianfigliazzo - The Guard Captain
Ettore Manni
Lucrezia
Annabella Incontrera
Olimpia
Liana Orfei
Aristocrat's Wife
Giorgia Moll
Maddalena's Young Servant
Milena Vukotić
Maddalena's Old Servant
Elena Fabrizi
Principe Francesco 'Franceschetto' Chibo de Longuiara
Luigi Vannucchi
Producer
Mario Cecchi Gori
Original Music Composer
Armando Trovajoli
Production Design
Luciano Ricceri
Director of Photography
Aldo Tonti
Line Producer
Pio Angeletti
Master at Arms
Franco Fantasia
Director
Ettore Scola
Screenplay
Story
Production Secretary
Bruno Altissimi
Ruggero Maccari
Editor
Tatiana Casini Morigi
Marcello Malvestito
Production Manager
Armando Morandi
Special Effects
Armando Grilli
Unit Manager
Giorgio Scotton
First Assistant Director
Dino De Palma
Don Carlos Dunaway
Makeup Artist
Otello Sisi
Hairstylist
Giancarlo De Leonardis
Script Supervisor
Ilde Muscio
Assistant Costume Designer
Danda Ortona
Camera Operator
Luigi Kuveiller
Sound Mixer
Mario Morigi
Sound
Guido Ortenzi
Boom Operator
Vittorio De Sisti
Set Decoration
Ezio Altieri
Costume Design
Maurizio Chiari