Cast

John Saxon

Dr. Marcello Bassi

Letícia Román

Nora Davis

Valentina Cortese

Laura Craven-Torrani

Dante DiPaolo

Andrea Landini

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Titti Tomaino

Inspector

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Luigi Bonos

Albergo Stelletta

Milo Quesada

De Vico / Paccini

Gustavo De Nardo

Dr. Facchetti

Giovanni Di Benedetto

Professor Torrani

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Jim Dolen

Priest (uncredited)

Crew

Mario Bava

Director of Photography (Camera)

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Roberto Nicolosi

Original Music Composer (Sound)

Mario Bava

Director (Directing)

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Eliana De Sabata

Screenplay (Writing)

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Franco Prosperi

Assistant Director (Directing)

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Antonio Rinaldi

Gaffer (Lighting)

Sergio Corbucci

Screenplay (Writing)

Massimo De Rita

Executive Producer (Production)

Mario Bava

Screenplay (Writing)

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Enrico Checchi

Second Assistant Director (Directing)