Barbara Steele
Helen Karnstein / Mary Karnstein
Pemeran
Top Billed Cast
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
?
Jeffrey Darcey
The Messenger
Aldo Barozzi
Plague Victim (uncredited)
?
Mario Casella
Gorca (uncredited)
Severino D'Ottavi
Party Guest (uncredited)
Alba Maiolini
Wife of Plague Victim (uncredited)
Aldo Massasso
The Priest (uncredited)
Enzo Mondino
Villager at the Execution (uncredited)
?
Piero Pastore
Baron Von Letz (uncredited)