Barbara Steele
Helen Karnstein / Mary Karnstein
Acting
George Ardisson
Baron Kurt Hummel
Acting
Halina Zalewska
Elizabeth Hummel / Adele Karnstein
Acting
Umberto Raho
Von Klage
Acting
Laura Nucci
Grumalda
Acting
Giuliano Raffaelli
Count Humboldt
Acting
Nello Pazzafini
Monk
Acting
Jeffrey Darcey
The Messenger
Directing
Aldo Barozzi
Plague Victim (uncredited)
Acting
Mario Casella
Gorca (uncredited)
Acting
Severino D'Ottavi
Party Guest (uncredited)
Acting
Alba Maiolini
Wife of Plague Victim (uncredited)
Acting
Aldo Massasso
The Priest (uncredited)
Acting
Enzo Mondino
Villager at the Execution (uncredited)
Acting
Piero Pastore
Baron Von Letz (uncredited)
Acting
Sylvia Sorrente
Gorca's Wife (uncredited)
Acting
Terry Velasco
Gorca's Daughter (uncredited)
Acting