Top Billed Cast

1. 

   Antonella Lualdi

   Marchioness Beatrice of Rionero

2. 

   Paul Campbell

   Oliviero Dupré aka Oliviero Pisani

3. 

   Enzo Biliotti

   Notary public Basileo

4. 

   Marilyn Buferd

   Marquise Alvina di Rionero

5. 

   Charles Fawcett

   Marquis Giuliano di Rionero

6. 

   Corrado Annicelli

   Doctor Andrea Pisani

7. 

   Vera Carmi

   Elena Viscardi

8. 

   Paul Müller

   Carlo Basileo

9. 

   Nuccia Aronne

   Marchioness Beatrice di Rionero as a girl

10. 

    Michele Riccardini

    The chubby Conspirator

11. 

    Giovanni Onorato

    The Conspirator with big moustaches

12. 

    Giuliano Montaldo

    Don Pietro Lisandrini

13. 

    Sergio Bergonzelli

    The young Conspirator

14. 

    Mirko Baiocchi

    Piano Player (uncredited)