 | Terence Hill als Father / Padre J. |
 | Bud Spencer als Father / Padre Pedro De Leon |
 | Jean-Pierre Aumont als Monsignor Delgado |
 | Robert Loggia als Marchese Alfonso Felipo Gonzaga |
 | Mario Pilar als Menendez |
 | Salvatore Basile als Monsignor Jimenez |
 | Maria Cumani Quasimodo als Marchesa Gonzaga |
 | Jacques Herlin als Bischoph |
 | Mario Erpichini als Casino Owner |
| Antonio Mendoza |
 | Luigi Antonio Guerra |
 | Lorenzo Piani |
| Giancarlo Bastianoni als Menendez's Henchman #2 (uncredited) |
 | Riccardo Pizzuti als Menendez's Henchman #1 (uncredited) |
| Marcello Verziera als Menendez's Henchman #3 (uncredited) |
| Franco Rossi | Screenplay |
| Nino Marino | Screenplay |
| Gianfranco Clerici | Screenplay |
| Gábor Pogány | Director of Photography |
| Dino De Laurentiis | Producer |
| Augusto Caminito | Screenplay |
| Fausto Saraceni | Screenplay |
| Maurizio De Angelis | Original Music Composer |
| Franco Rossi | Director |
| Guido De Angelis | Original Music Composer |
| Giorgio Serrallonga | Editor |
| Felice D'Alisera | Production Manager |
| Fernando Caso | Sound Effects Editor |
| Roberto Alessandri | Stunt Coordinator |
| Luciano Tartaglia | Production Accountant |
| Gianni D'Amico | Sound Mixer |
| Cesare D'Amico | Assistant Editor |
| Nello Vanin | Assistant Director |
| Fausto De Lisio | Hair Designer |
| Luciano Giustini | Makeup Artist |
| Luciano Balducci | Production Supervisor |
| Aldo Puccini | Construction Manager |
| Ivano Todeschi | Props |
| Marilù Carteny | Costume Design |
| Rodolfo Sonego | Story |
| Maurizio Giustini | Makeup Artist |
| Giorgio Ubaldi | Master at Arms |
| Francesco Bronzi | Set Decoration |
| Salvatore Basile | Assistant Director |
| Giulio Molinari | Special Effects |
| Flavia Sante Vanin | Script Supervisor |
| Enzo Diliberto | Sound Effects Editor |
