Jennifer Connelly
as Jennifer Corvino

Daria Nicolodi
as Frau Brückner

Fiore Argento
as Vera Brandt

Federica Mastroianni
as Sophie

Fiorenza Tessari
as Gisela Sulzer

Dalila Di Lazzaro
as Headmistress

Patrick Bauchau
as Inspector Rudolf Geiger

Donald Pleasence
as Professor John McGregor

Alberto Cracco
as UBS Bank Teller

Kaspar Capparoni
as Karl, Sophie's Boyfriend

Mario Donatone
as Morris Shapiro

Antonio Maimone
as EEG Doctor

Davide Marotta
as Patau (Bruckner Son)

Fulvio Mingozzi
as Mr. Sulzer

Francesca Ottaviani
as Nurse

Michele Soavi
as Kurt, Geiger's Assistant

Franco Trevisi
as Real Estate Agent

Fausta Avelli
as Schoolgirl

Franca Berdini
as Teacher

Marta Biuso
as Schoolgirl

Marisa Simonetti
as Schoolgirl

Geraldine Thomas
as Schoolgirl

Tanga
as Inga

Stefania Possamai
as Teacher (uncredited)