The Girl Who Knew Too Much

John Saxon

Dr. Marcello Bassi

Letícia Román

Nora Davis

Valentina Cortese

Laura Craven-Torrani

Dante DiPaolo

Andrea Landini

Luigi Bonos

Albergo Stelletta

Milo Quesada

De Vico / Paccini

Gustavo De Nardo

Dr. Facchetti

Giovanni Di Benedetto

Professor Torrani

Franco Ressel

Arresting Officer at Airport (uncredited)

Lucia Modugno

Nurse

Mario Bava

Uncle Augusto

Adriana Facchetti

Woman in Sguattera Restaurant