It is 1917, the period of the First World War when Italy is fighting Austria-Hungary. Lucilla di Torrebruna leaves high school and returns to her father, a colonel in the cavalry, who lives at San Donà di Piave.
| Actor | Role |
|---|---|
 Milly VitaleLucilla of Torrebruna | Lucilla of Torrebruna |
 Frank LatimoreFranco | Franco |
| FFrancesco GolisanoGiacomo Ferrin, aka Ciampin | Giacomo Ferrin, aka Ciampin |
 Gino CerviColonel of Torrebruna | Colonel of Torrebruna |
| HHarry FeistSchubert, Austrian officer | Schubert, Austrian officer |
 Carlo CroccoloEsposito | Esposito |
 Ludmilla DudarovaHelene - Ludmilla's stepmother | Helene - Ludmilla's stepmother |
 Gina FalckenbergMajda | Majda |
 Nyta Doverragazza | ragazza |
 Gianni MusyGoffredo | Goffredo |
| CCharles Rutherfordtenente Stuck | tenente Stuck |
 Nerio Bernardisenatore | senatore |
| GGiacomo Lauri Volpicapitano italiano | capitano italiano |