Cast

Barbara Steele

Helen Rochefort / Mary

George Ardisson

Baron Kurt Humboldt

Halina Zalewska

Adele Karnstein / Lisabeth Karnstein

Umberto Raho

Von Klage

Laura Nucci

Grumalda

Giuliano Raffaelli

Count Humboldt

Nello Pazzafini

Monk

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Jeffrey Darcey

The Messenger

Crew

Antonio Margheriti

Director (Directing)

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John Tamblyn

Sound (Sound)

Antonio Margheriti

Screenplay (Writing)

Ernesto Gastaldi

Story (Writing)

Tonino Valerii

Screenplay (Writing)

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Mario Serandrei

Editor (Editing)

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Humphrey Patterson

Costume Design (Costume & Make-Up)

Tonino Valerii

Dialogue (Writing)

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Felice Testa Gay

Producer (Production)

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Henry Fraser

Set Decoration (Art)