Cast

Barbara Steele

Helen Karnstein / Mary Karnstein

George Ardisson

Baron Kurt Hummel

Halina Zalewska

Elizabeth Hummel / Adele Karnstein

Umberto Raho

Von Klage

Laura Nucci

Grumalda

Giuliano Raffaelli

Count Humboldt

Nello Pazzafini

Monk

Image not Available

Jeffrey Darcey

The Messenger

Aldo Barozzi

Plague Victim (uncredited)

Image not Available

Mario Casella

Gorca (uncredited)

Crew

Antonio Margheriti

Director (Directing)

Image not Available

John Tamblyn

Sound (Sound)

Tonino Valerii

Screenplay (Writing)

Antonio Margheriti

Screenplay (Writing)

Ernesto Gastaldi

Story (Writing)

Image not Available

Giorgio Giovannini

Art Direction (Art)

Tonino Valerii

Dialogue (Writing)

Image not Available

Florence Clark

Hairstylist (Costume & Make-Up)

Carlo Rustichelli

Original Music Composer (Sound)

Image not Available

Henry Fraser

Set Decoration (Art)