Paris 1838, Prince Rodolphe vows on the deathbed of his friend Matilde to find Germain, the woman's son kidnapped by his father at birth. Disguised as a tramp, he wanders the city's slums encountering various characters who either help or hinder him.
| Actor | Role |
|---|---|
 Frank VillardPrince Rodolfo di Gerolstein | Prince Rodolfo di Gerolstein |
 Yvette LebonSara | Sara |
 Jacques CastelotNotaio Ferrand | Notaio Ferrand |
 Lorella De LucaMaria, la Cantante | Maria, la Cantante |
| MMatteo SpinolaGermain | Germain |
 John KitzmillerLo Squartatore | Lo Squartatore |
 Giulio BattiferriGeorges | Georges |
 Elena ZareschiMatilde | Matilde |
 Maurice TeynacNot listed | Not listed |
 Arturo BragagliaPipelet | Pipelet |
| GGiulio CalìNot listed | Not listed |
 Olga SolbelliNot listed | Not listed |
| UUmberto SacripanteNot listed | Not listed |
| MMarianne LeiblNot listed | Not listed |
| MMino LoisiNot listed | Not listed |
| GGiuseppe Lo GiudiceNot listed | Not listed |
| RRita ToscanoNot listed | Not listed |
 Renato MontalbanoNot listed | Not listed |