"Puglia, southern Italy, around 1400. A convent is invaded by the Tarantula cult, whose fanatical and crazed members desecrate the sacred place by committing obscene and bloody acts."
Florinda Bolkan
as Flavia Gaetani
María Casares
as Sister Agatha
Claudio Cassinelli
as Abraham
Anthony Higgins
as Ahmed
Spiros Focás
as The French Duke
Diego Michelotti
as Flavia's Father
Raika Juri
as Sister Livia
Jill Pratt
as Mother Superior
Franca Grey
as Village Girl
Laura De Marchi
as Tarantula Cult Woman
Eduardo Filipone
as
Ciro Ippolito
Carla Mancini
Luigi Antonio Guerra
Giuseppe Pertile
Guido Celano
Stefano Trabalza
Valentino Macchi
Maria Teresa Piaggio
Jole Silvani
Agnès Nobecourt
Romano Moraschini
as Executioner (uncredited)
Gianfranco Mingozzi
Director
Alfio Contini
Director of Photography
Bruno Di Geronimo
Screenplay
Guido Josia
Costume Designer
Nicola Piovani
Original Music Composer
Francesco Vietri
Screenstory
Sergio Tau
Raniero Di Giovanbattista
Teodoro Corrà
Production Manager
Fabrizio Onofri
Ruggero Mastroianni
Editor
Cesare Landricina
Assistant Director
Executive Producer
Sandro Tamborra
Camera Operator
Mario Michisanti
Makeup Artist
Producer
Set Decoration
Claudio Ventura