The film concerns a destructive romance between a young harpist studying in Rome, and a louche playboy and heir to Europe's wealthy corporate and governing class, played by J. D. Barrymore.
| Actor | Role |
|---|---|
| MMaureen GavinNatika | Natika |
 John Drew BarrymoreJean-Jacques | Jean-Jacques |
 Maurice MarsacGiorgio Pellegrini | Giorgio Pellegrini |
 Aldo SilvaniSalzedo | Salzedo |
| EElena ScudderComtesse Simoncelli | Comtesse Simoncelli |
 Gaby AndréMme. Pellegrini | Mme. Pellegrini |
| FFranco VolpinoNot listed | Not listed |
| LLili GiuseppeNot listed | Not listed |