Labbra serrate
| MPAA Rating: | NR |
| Genre: | Mystery, Thriller |
| Country: | Italy |
| Produced By: | Giulio Manenti |
| Directed By: | Mario Mattoli |
| Written By: | Marcello Marchesi, Aldo De Benedetti, Mario Mattoli, Steno, Leo Cattozzo |
| Cast: | Guido Verdiani, Giulio Panicali, Paolo Ferrara, Fosco Giachetti, Tino Scotti, Mario Pucci, Stefano Sibaldi, Carlo Mariotti, Armando Migliari, Mario Brizzolari, Peppino Spadaro, Armando Furlai, Carlo Campanini, Amalia Pellegrini, Gina Cinquini, Andrea Checchi, Giulio Donadio, Annette Bach, Nino Eller, Vera Carmi, Loris Gizzi, Armida Bonocore, Pasquale Fasciano, Nino Pavese |
| In Theaters: | Nov 13, 1942 |
| Runtime: | 1 hour 20 minutes |
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