 | Gabriele Ferzetti als Comandante Alberto Bruni |
 | Eleonora Rossi Drago als Anna |
 | Pierre Cressoy als Tenente Stefano Valli |
 | Riccardo Garrone als Capo macchinista Morabito |
 | Mike Bongiorno als Ruggero Grimaldi |
 | Fiorella Mari als Luisa, moglie di Bruni |
| Amos Davoli als padre Giuseppe |
 | Liliana Gerace als signora Sandri |
| Anita Durante als zia Bettina |
| Dina Perbellini als zia Dora |
 | Ugo Sasso als Bruschi |
| Nino Marchetti als padre di Ruggero |
| Gian Paolo Rosmino als Ammiraglio |
| Roberta Benedetti |
 | Fausto Guerzoni als padre Efisio (uncredited) |
| Albino Morandin |
| Rodolfo Frattaioli |
| Franco Pucci |
| Antonio Musu | Director |
| Eliseo Boschi | Production Secretary |
| Renato del Frate | Director of Photography |
| Luigi Rovere | Producer |
| Guido Malatesta | Story |
| Marc-Antonio Bragadin | Screenplay |
| Gino De Santis | Screenplay |
| Guido Malatesta | Screenplay |
| Antonio Musu | Screenplay |
| Luigi Scaccianoce | Production Design |
| Anna Maria Feo | Costume Design |
| Euclide Santoli | Makeup Artist |
| Lionello Massobrio | Editor |
| Giorgio Arlorio | First Assistant Director |
| Venanzio Biraschi | Sound |
| Mario Amari | Sound |
| Francesco Cinieri | Second Assistant Director |
| Vincenzo Taito | Unit Manager |
| Rodolfo Martello | Production Secretary |
| Luigi Puri | Sound |
| Renzo Cerrato | Script Supervisor |
| Ugo Nudi | Camera Operator |
| Ennio Michettoni | Set Decoration |
| Luigi Allegretti | Assistant Camera |
| Alma Santoli | Assistant Makeup Artist |
| Annunziata Piacentini | Seamstress |
| Carlo Rustichelli | Original Music Composer |
| Franco Ferrara | Conductor |
| Alfredo Bini | Production Manager |