Two young intellectuals of the PCI, former partisans, enter into a deep ideological crisis after the fall of Stalin. One will volunteer for Vietnam. the other will find in Ho Chi Minh a new myth to be inspired.
| Actor | Role |
|---|---|
 Helmut BergerAldo | Aldo |
 Margaret LeeMargaret | Margaret |
 Silvia MontiMirta | Mirta |
| BBenedetto BenedettiBenedetto | Benedetto |
 Piero VidaRegista | Regista |
 Solveyg D'AssuntaAnna | Anna |
| AAugusto TiezziNot listed | Not listed |
 Valeria SabelAmante di Aldo | Amante di Aldo |
 Gianni PuloneNot listed | Not listed |
| BBruno BoschettiNot listed | Not listed |
 Ferdinando MuroloNot listed | Not listed |
| CCleofe Del CileModella di Aldo | Modella di Aldo |