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
