Barbara Steele
Helen Rochefort / Mary
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
Jeffrey Darcey
The Messenger
Antonio Margheriti
Director
John Tamblyn
Sound
Antonio Margheriti
Screenplay
Ernesto Gastaldi
Story
Tonino Valerii
Screenplay
Mario Serandrei
Editor
Humphrey Patterson
Costume Design
Tonino Valerii
Dialogue
Felice Testa Gay
Producer
Henry Fraser
Set Decoration
Florence Clark
Hairstylist
Carlo Rustichelli
Original Music Composer
Giorgio Giovannini
Art Direction
Edmund Stroll
Makeup Artist
Riccardo Pallottini
Director of Photography