"Mario and Filippo are two twin brothers, the honorable one want to bring morality back into Italian political life, as president of the Commission for the investigation of corruption. The other brother is a cynical trickster."
Vittorio Gassman
as Mario Agasti / Filippo Agasti
Lisa Gastoni
as Alma - moglie di Mario
Adrienne La Russa
as Kitty
Giampiero Albertini
as Santarini
Ennio Balbo
as Suocero di Agasti
Umberto D'Orsi
as Roberto Franceschini 'Pampero'
Fiorenzo Fiorentini
as Bertieri
Marisa Fabbri
as Wife of Mattia
Ettore Mattia
as Minister Mattia
Lino Banfi
as Journalist (uncredited)
Antonio Centa
as commendator Mannocchi
Michel Bardinet
as ufficiale tedesco
Eugene Walter
as monsignor Faldella
Donatella Ceccarello
as
Tullio Altamura
Guido Spadea
Giuseppe Terranova
Giovanni Ivan Scratuglia
Jimmy il Fenomeno
Cesare Gelli
Luciano Salce
Director
Aldo Tonti
Director of Photography
Mario Cecchi Gori
Producer
Ennio De Concini
Story
Gianni Cecchin
Production Manager
Luis Bacalov
Original Music Composer
Maurizio Mein
First Assistant Director
Enzo Lucarini
Administration
Adriano Baracco
Screenplay
Luca Sabatelli
Costume Design
Vittorio Massi
Sound
Marcello Malvestito
Editor
Franco Bottari
Production Design
Carmen Pericolo
Seamstress
Giancarlo De Leonardis
Hairstylist
Nicola Tamburo
Set Decoration
Luciano Tonti
Camera Operator
Anna Maria Montanari
Script Supervisor
Antonio Mazza
Unit Manager
Mario Della Torre
Production Secretary
Franco Frazzi
Assistant Camera
Otello Sisi
Makeup Artist
Mario Morigi
Sound Mixer
Olga Petrini
Assistant Editor