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Amedeo Nazzari as L'ingegnere Guido Carani |
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Yvonne Sanson as Sister Addolorata / Lina Mercolin |
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Enrica Dyrell as Elena Carani (as Enrica Direll) |
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Alberto Farnese as Poldo |
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Flora Lillo as Flora |
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Philippe Hersent as Mario La Torre |
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Nerio Bernardi as L'avvocato Rossi |
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Virgilio Riento as Il dottor Marini |
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Emilio Cigoli as Il direttore della prigione |
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Olga Solbelli as La madre superiora |
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Ignazio Balsamo as Un poliziotto |
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Franca Parisi as Una soubrette |
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Oscar Andriani as Un avvocato |
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Rina Franchetti as Una detenuta |
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Silvana Jachino as La detenuta bionda |
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Giuseppe Chinnici as Il cappellano |
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Amina Pirani Maggi as La guardiana del carcere |
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Paola Quattrini as Alda Carani |
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Leonardo Bragaglia as Maurizio (uncredited) |
| Sound | Michele Cozzoli | Original Music Composer |
| Writing | Raffaello Matarazzo | Story |
| Writing | Piero Pierotti | Story |
| Writing | Giovanna Soria | Story |
| Production | Raffaello Matarazzo | Producer |
| Directing | Raffaello Matarazzo | Director |
| Art | Ottavio Scotti | Production Design |
| Editing | Mario Serandrei | Editor |
| Production | Anna Maria Campanile | Production Secretary |
| Costume & Make-Up | Grazia De Rossi | Hairstylist |
| Sound | Ugo Giacomozzi | Conductor |
| Directing | Silvio Amadio | First Assistant Director |
| Production | Aldo Pomilia | Production Secretary |
| Directing | Rometta Pietrostefani | Second Assistant Director |
| Directing | Mimmola Girosi | Script Supervisor |
| Sound | Mario Messina | Sound |
| Costume & Make-Up | Anacleto Giustini | Makeup Artist |
| Writing | Aldo De Benedetti | Screenplay |
| Art | Gino Brosio | Set Decoration |
| Camera | Sergio Bergamini | Camera Operator |
| Production | Fritz Del Fauro | Unit Manager |
| Production | Goffredo Lombardo | Producer |
| Production | Silvio Clementelli | Line Producer |
| Camera | Tonino Delli Colli | Director of Photography |
