A musician's brother's girlfriend is found dead, but is the brother or the sister to blame?
| Actor | Role |
|---|---|
| Bettina Bernhard | |
| Martin Bernhard | |
| Albertina Morlon | |
| Antonio Costanza | |
| Paolo Brentano | |
| Don Ernesto | |
| Giudice Liguori | |
| Passeri | |
| Not listed | |
| Not listed | |
| Not listed | |
| Not listed |