 | Telly Savalas als Leandro (archive footage) |
 | Elke Sommer als Lisa Reiner |
 | Robert Alda als Father Michael |
 | Sylva Koscina als Sophia Lehar (archive footage) |
 | Alida Valli als Countess (archive footage) |
 | Gabriele Tinti als George (archive footage) |
 | Espartaco Santoni als Carlo (archive footage) |
 | Eduardo Fajardo als Francis Lehar (archive footage) |
 | Franz Von Trueberg als Shopkeeper (archive footage) |
 | Alessio Orano als Max (archive footage) |
| Kathy Leone als Lisa's friend (archive footage) |
| Carmen Silva als Anna |
| Andrea Esterhazy als American Tourist (archive footage) (uncredited) |
| Mario Bava | Director |
| Alfredo Leone | Director |
| José Gutiérrez Maesso | Producer |
| Alfredo Leone | Producer |
| Carlo Savina | Music |
| Carlo Reali | Editor |
| Nedo Azzini | Art Direction |
| Rafael Ferri | Set Decoration |
| Franco Tocci | Special Effects |
| Mario Bava | Screenplay |
| Alberto Cittini | Screenplay |
| Alfredo Leone | Screenplay |
| Cecilio Paniagua | Director of Photography |
| Mario Bava | Director of Photography |
| Franco Freda | Makeup Artist |
| Lamberto Bava | Assistant Director |
