 | Jean Sylvère als Socrate |
 | Anne Caprile als Santippe |
 | Giuseppe Mannajuolo als Apollodoro |
 | Ricardo Palacios als Critone |
 | Antonio Medina als Platone |
| Roberto Rossellini | Director |
| Roberto Rossellini | Screenplay |
| Marcella Mariani | Screenplay |
| Mario Nascimbene | Music |
| Jorge Herrero | Director of Photography |
| Alfredo Muschietti | Editor |
| Claude Baks | Producer |
| Marcella De Marchis | Costume Design |
| Bernardo Ballester | Set Designer |
