A tourist witnesses a murder and finds herself caught up in a series of bloody killings.
John Saxon
Dr. Marcello Bassi
Letícia Román
Nora Davis
Valentina Cortese
Laura Craven-Torrani
Dante DiPaolo
Andrea Landini
Titti Tomaino
Inspector
Luigi Bonos
Albergo Stelletta
Milo Quesada
De Vico / Paccini
Gustavo De Nardo
Dr. Facchetti
Giovanni Di Benedetto
Professor Torrani
Jim Dolen
Priest (uncredited)
Franco Ressel
Arresting Officer at Airport (uncredited)
Robert Buchanan
Dr Alessi
Marta Melocco
Murder Victim
Lucia Modugno
Nurse
Franco Moruzzi
Policeman
Virginia Doro
Torrani's Maid
Mario Bava
Uncle Augusto
Chana Coubert
Ethel Windell Batocci
Adriana Facchetti
Woman in Sguattera Restaurant
Dafydd Havard
Tiberio Murgia
Peggy Nathan
Lido Pini
John Stacy
