 |
Gian Maria Volonté as M. |
 |
Marcello Mastroianni as Don Gaetano |
 |
Mariangela Melato as Giacinta |
 |
Ciccio Ingrassia as Voltrano |
 |
Franco Citti as Autista di M. |
 |
Cesare Gelli as Arras |
 |
Michel Piccoli as Lui |
 |
Renato Salvatori as Dr. Scalambri |
 |
Tino Scotti as Il cuoco |
 |
Adriano Amidei Migliano as Capra-Profiri |
 |
Giancarlo Badessi as Ventre |
 |
Marion Bartoli as Primogenito Lombo |
 |
Nito Costa as Prete giovane |
 |
Guerrino Crivello as Speaker TV |
 |
Marcella Di Falco as Saccà |
 |
Giulio Donnini as Bastante |
|
Aldo Farina as Restrero |
 |
Giuseppe Leone as Martellini |
 |
Renato Malavasi as Michelozzi |
 |
Riccardo Mangano as Cardinal Beccarisi |
 |
Piero Mazzinghi as Caprarozza |
|
Lino Murolo as Mozio |
 |
Piero Nuti as Schiavò |
|
Loris Pereira Lopez as Lombo sr. |
|
Riccardo Satta as Lomazzo |
 |
Luigi Uzzo as Aldo Lombo |
 |
Luigi Zerbinati as Caudo |
| Directing | Elio Petri | Director |
| Writing | Elio Petri | Screenplay |
| Editing | Ruggero Mastroianni | Editor |
| Production | Giorgio Cardelli | Associate Producer |
| Writing | Berto Pelosso | Co-Writer |
| Production | Francesco Genesi | Associate Producer |
| Production | Stefano Pegoraro | Production Manager |
| Camera | Ubaldo Terzano | Camera Operator |
| Directing | Umberto Angelucci | First Assistant Director |
| Production | Alfredo Petri | Production Supervisor |
| Sound | Mario Bramonti | Sound |
| Lighting | Sergio Coletta | Gaffer |
| Camera | Sergio Strizzi | Still Photographer |
| Camera | Renato Palmieri | Assistant Camera |
| Production | Vasco Mafera | Production Supervisor |
| Directing | Luigina Lovari | Script Supervisor |
| Editing | Cecilia Catalucci | Assistant Editor |
| Sound | Ennio Morricone | Conductor |
| Sound | Alberto Bartolomei | Sound Mixer |
| Editing | Ivana Boggian | Assistant Editor |
| Visual Effects | Italo Cameracanna | Visual Effects |
| Sound | Giulio Viggiani | Boom Operator |
| Production | Hermes Gallippi | Administration |
| Camera | Antonio Tonti | Assistant Camera |
| Costume & Make-Up | Tiziana Mancini | Assistant Costume Designer |
| Production | Antonio Mastronardi | Administration |
| Costume & Make-Up | Alfonso Gola | Makeup Department Head |
| Directing | Giovanni Piccioni | Second Assistant Director |
| Production | Janice Munro | Production Secretary |
| Costume & Make-Up | Pietro Tenoglio | Makeup Artist |
| Costume & Make-Up | Giusy Bovino | Hairstylist |
| Editing | Erminia Marani | Assistant Editor |
| Sound | Franco Bassi | Sound Mixer |
| Camera | Sergio Emidi | Key Grip |
| Camera | Luigi Kuveiller | Director of Photography |
| Sound | Ennio Morricone | Original Music Composer |
| Production | Daniele Senatore | Producer |
| Art | Dante Ferretti | Production Design |
| Writing | Leonardo Sciascia | Novel |
| Costume & Make-Up | Franco Carretti | Costume Design |
| Art | Osvaldo Desideri | Set Decoration |
