 | Luigi Vannucchi als Alcide De Gasperi |
 | Dominique Darel als Romana De Gasperi |
 | Rita Calderoni |
 | Consalvo Dell'Arti als Ivanoe Bonomi |
 | Renato Montanari als Pietro Secchia |
| Tino Bianchi als Palmiro Togliatti |
 | Corrado Olmi als Giuseppe Di Vittorio |
| Aldo Rendine als Giuseppe Romita |
| Luciano Gaudenzio als Luigi Longo |
 | Vittorio Ripamonti als Don Signora |
 | Ennio Balbo als Nenni |
 | Nicola Morelli als Badoglio |
 | Rita Forzano als Suor Maria De Gasperi |
 | Valeria Sabel als Francesca De Gasperi |
 | Paolo Bonacelli als Giorgio Amendola |
| Francesco Di Severino als Saragat |
 | Gianni Rizzo als Dirigente della DC torinese |
| Carlos de Carvalho |
 | Carlo Bagno |
| Ettore Carloni |
 | Armando Furlai |
 | Edda Ferronao |
| Giancarlo Fantini |
 | Renato Montalbano |
 | Piero Vida |
 | Arnaldo Caivano als Journalist (uncredited) |
| Roberto Rossellini | Director |
| Roberto Rossellini | Screenplay |
| Luciano Scaffa | Screenplay |
| Marcella Mariani | Screenplay |
| Mario Montuori | Director of Photography |
| Jolanda Benvenuti | Editor |
| Giuseppe Mangano | Production Design |
| Luciano Scaffa | Story |
| Roberto Rossellini | Story |
| Marcella Mariani | Story |
| Marcella De Marchis | Costume Design |
| Giuseppe Cino | First Assistant Director |
| Mario Nascimbene | Original Music Composer |
| Silvia D'Amico Bendicò | Executive Producer |
| Sergio Iacobis | Production Manager |
| Renato Pieri | Delegated Producer |
| Maurizio Scanzani | Camera Operator |
| Nino Bizzarri | Second Assistant Director |
| Antonio Carlucci | Second Assistant Director |
| Andrea Fantacci | Set Decoration |
| Tommaso Quattrini | Sound |
| Giuseppe Ferranti | Makeup Artist |
| Maura Turchi | Hairstylist |
| Marcella Mariani | Script Supervisor |
| Marcella Benvenuti | Assistant Editor |
| Stelio Fiorenza | Production Secretary |
| Loredana Ulpiani | Production Secretary |
| Giorgio Urbinelli | Assistant Camera |
| Franco De Arcangelis | Boom Operator |
| Gianni Giovagnoni | Assistant Production Design |
| Enrico Fantacci | Assistant Set Decoration |
| Alfio Meniconi | Assistant Makeup Artist |
| Marcello Longhi | Assistant Hairstylist |
| Enrico Biribicchi | Assistant Camera |
| Edilio Rusconi | Producer |
| Nicola Venditti | Unit Manager |
