Mario Bava
Director
Mario Bava
Editor
Antonio Rinaldi
Director of Photography
Mario Di Nardo
Screenplay
Luigi Alessi
Producer
Roberto Ranucci
Assistant Costume Designer
Emilio Varriano
Camera Operator
Giulia Mafai
Costume Design
Armando Pietrangeli
Still Photographer
Orietta Melaranci
Makeup Artist
Mario Bregni
Producer
Ira von Fürstenberg
Executive Producer
Pietro Bregni
Producer
Mario Bava
Director of Photography
Mario Bava
Additional Writing
Mario Di Nardo
Story
Piero Umiliani
Original Music Composer
Giulia Mafai
Set Dresser
Luigi Alessi
Production Manager
Giuseppe Aldrovandi
Production Design
Adolfo Martello
Assistant Production Manager
Giulia Mafai
Set Decoration
Agatha Christie
Novel
Leopoldo Rosi
Sound
Alfonso Cucci
Assistant Production Manager
Mario Bianchi
Assistant Director
Ira von Fürstenberg
Trudy Farrell
Edwige Fenech
Marie Chaney
Howard Ross
Jack Davidson
Helena Ronee
Peggy Davidson
Teodoro Corrà
George Stark
Ely Galleani
Isabel
Edith Meloni
Jill Stark
Mauro Bosco
Charles
Maurice Poli
Nick Chaney
William Berger
Prof. Gerry Farrell
