"A young American woman traveling through Italy finds herself in a strange Mediterranean villa where nothing seems quite right."
Marcello Mastroianni
as Alex
Sydne Rome
as Nancy
Hugh Griffith
as Joseph Noblart
Guido Alberti
as Priest
Henning Schlüter
as Catone
Gianfranco Piacentini
as Tony
Christiane Barry
as Dresser
Pietro Tordi
as Man-Servant
Mogens von Gadow
as German
Dieter Hallervorden
Romolo Valli
as Giovanni
François Périer
as Enzo
Roman Polanski
as Mosquito
Richard McNamara
as Charlie
John Karlsen
as Edward
Livio Galassi
as
Alvaro Vitali
as Cross-Eyed Painter
Renate Langer
as Naked Girl with Hat (uncredited)
Carla Mancini
Nerina Montagnani
Director
Screenplay
Gérard Brach
Alastair McIntyre
Editor
Piero Fondi
Sound
Fausto Ancillai
Sound Re-Recording Mixer
Carlo Ponti
Producer
Claudio Gizzi
Original Music Composer
Giuseppe Ruzzolini
Director of Photography
Marcello Gatti
Franco Fumagalli
Art Direction
Aurelio Crugnola
Production Design
Adriana Berselli
Costume Design
Elvira D'Amico
Script Supervisor
Otello Spila
Camera Operator
Peter Keen
Sound Editor
Amalia Paoletti
Hairstylist
Giuseppe Banchelli
Makeup Artist