| Cast | Paul Naschy (as Inspector Paolo Scaporella), Erika Blanc (as Silvana), Ángel Aranda (as Pietro Volpini), Maria Kosty (as Ingrid), Ricardo Merino (as Edmundo), Susana Mayo (as Cladia Volpini), Eduardo Calvo (as Professor Sandro Campitelli), Mariano Vidal Molina (as Police Commissioner), José Canalejas (as Ruggero) |
| Directed by | Leon Klimovsky* |
| Links | https://www.imdb.com/title/tt0070312/ |
Releases 1
| Title | Format | Region | |
|---|---|---|---|
 | Todeskreis Libelle | Blu-ray + DVD | 2, B |
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