"Deranged after a fall from a horse, a man has lived for twenty years in a castle laboring under the delusion that he is Holy Roman Emperor Henry IV. His psychiatrist concocts an elaborate scheme to shock him out of his medieval reverie."
Marcello Mastroianni
as Henry IV
Claudia Cardinale
as Matilda
Leopoldo Trieste
as Psichiatra
Paolo Bonacelli
as Belcredi
Gianfelice Imparato
as Di Nolli
Claudio Spadaro
as Lolo
Giuseppe Cederna
as Fino Pagliuca
Giacomo Bertozzi
as Giacomo
Fabrizio Macciantelli
as Fabrizio
Luciano Bartoli
as Henry IV (young)
Latou Chardons
as Frida
Massimo Antonio Rossi
as Young Belcredi (uncredited)
Giuseppe Lanci
Director of Photography
Giancarlo Basili
Production Design
Enzo Porcelli
Producer
Astor Piazzolla
Original Music Composer
Mirco Garrone
Editor
Lina Nerli Taviani
Costume Design
Leonardo Scarpa
Marco Bellocchio
Director
Giancarlo Carotenuto
Sound Editor
Giuseppe Banchelli
Makeup Artist
Tullio Petricca
Boom Operator
Angelo Barbagallo
Production Coordinator
Roberto Missiroli
Assistant Editor
Maria Rita Barbera
Assistant Costume Designer
Adriano Taloni
Sound Mixer
Lucilla Clementelli
Script Supervisor
Donatella Botti
Luigi Pirandello
Novel
Remo Ugolinelli
Sound
Roberta Carlotto
Delegated Producer
Giuseppe Di Biase
Camera Operator
Giovanni Ragone
Assistant Camera
Tonino Guerra
Co-Writer
Lisa Caracciolo
First Assistant Director
Paolo Borselli
Hairstylist
Screenplay
Fabiola Banzi
Second Assistant Director
Luigi Cecchini