"A woman dressed in black is murdering young women. The police question lawyer Anselmi for whom one of the girls worked as a secretary, and it turns out that all the victims were friends of lawyer's wife Leonora."
John Richardson
as Inspector Lavina
Dagmar Lassander
as Leonora Anselmi
Ninetto Davoli
as Sandro Lucetti
Magda Konopka
as Contessa Orselmo
Giacomo Rossi Stuart
as Anselmi
Daniela Giordano
as Nelly
Ursula Davis
as Anna
Tano Cimarosa
as Pantò
Dada Gallotti
as Marilyn
Gianni Williams
as Manlio "Jerry"
Giovanna D'Albore
as Emma Giorgi
Livio Galassi
as Marco Orsello
Marco Busciala
as
Giovanni Brusatori
as Mario
Director
Ermanno Serto
Still Photographer
Adriano Bolzoni
Screenplay
Romeo Ciatti
Editor
Paola di Sante
Costume Design
Marcello Masciocchi
Director of Photography
Luigi Latini de Marchi
Gianni Siragusa
Assistant Director
Giovanni Carrino
Producer
Carlo Savina
Original Music Composer