"A tourist witnesses a murder and finds herself caught up in a series of bloody killings."
John Saxon
as Dr. Marcello Bassi
Letícia Román
as Nora Davis
Valentina Cortese
as Laura Craven-Torrani
Dante DiPaolo
as Andrea Landini
Titti Tomaino
as Inspector
Luigi Bonos
as Albergo Stelletta
Milo Quesada
as De Vico / Paccini
Gustavo De Nardo
as Dr. Facchetti
Giovanni Di Benedetto
as Professor Torrani
Jim Dolen
as Priest (uncredited)
Franco Ressel
as Arresting Officer at Airport (uncredited)
Robert Buchanan
as Dr Alessi
Marta Melocco
as Murder Victim
Lucia Modugno
as Nurse
Franco Moruzzi
as Policeman
Virginia Doro
as Torrani's Maid
Mario Bava
as Uncle Augusto
Chana Coubert
as Ethel Windell Batocci
Adriana Facchetti
as Woman in Sguattera Restaurant
Dafydd Havard
as
Tiberio Murgia
Peggy Nathan
Lido Pini
John Stacy
Director
Director of Photography
Roberto Nicolosi
Original Music Composer
Sergio Corbucci
Screenplay
Ennio De Concini
Story
Eliana De Sabata
Giorgio Giovannini
Art Direction
Neda Matteucci
Script Supervisor
Franco Prosperi
Tina Grani
Costume Design
Assistant Director
Antonio Rinaldi
Gaffer
Euclide Santoli
Makeup Artist
Massimo De Rita
Executive Producer
Mino Guerrini
Emilio Schuberth
Set Dresser
Salvatore Billitteri
Associate Producer
Mario Serandrei
Editor
Mara Rocchetti
Hair Designer
Paolo Mercuri
Production Manager
Ubaldo Terzano
Camera Operator
Armando Govoni
Production Assistant
Enrico Checchi
Second Assistant Director
Luigi D'Andria
Set Decoration
Lina Caterini
Assistant Editor
