 Jennifer ConnellyJennifer Corvino | Jennifer Corvino |
 Daria NicolodiFrau Brückner | Frau Brückner |
 Fiore ArgentoVera Brandt | Vera Brandt |
 Federica MastroianniSophie Broque | Sophie Broque |
 Fiorenza TessariGisela Sulzer | Gisela Sulzer |
 Dalila Di LazzaroHeadmistress Yetz | Headmistress Yetz |
 Patrick BauchauInspector Rudolf Geiger | Inspector Rudolf Geiger |
 Donald PleasenceProfessor John McGregor | Professor John McGregor |
 Alberto CraccoUBS Bank Teller | UBS Bank Teller |
 Kaspar CapparoniKarl, Sophie's Boyfriend | Karl, Sophie's Boyfriend |
 Mario DonatoneMorris Shapiro | Morris Shapiro |
 Antonio MaimoneEEG Doctor | EEG Doctor |
 Davide MarottaPatau Brückner | Patau Brückner |
 Fulvio MingozziMr. Sulzer | Mr. Sulzer |
| FFrancesca OttavianiNurse | Nurse |
 Michele SoaviKurt, Geiger's Assistant | Kurt, Geiger's Assistant |
 Franco TrevisiReal Estate Agent | Real Estate Agent |
 Fausta AvelliSchoolgirl | Schoolgirl |
| FFranca BerdiniTeacher | Teacher |
| CChristina LindbergensenTeacher | Teacher |
| MMarta BiusoSchoolgirl | Schoolgirl |
| MMarisa SimonettiSchoolgirl | Schoolgirl |
| GGeraldine ThomasSchoolgirl | Schoolgirl |
| PPaola GropperSchoolgirl | Schoolgirl |
| NNinke HielkemaSchoolgirl | Schoolgirl |
| MMitzy OrsiniSchoolgirl | Schoolgirl |
| SSophie BourchierSchoolgirl | Schoolgirl |
 TangaInga | Inga |
 Stefania PossamaiTeacher (uncredited) | Teacher (uncredited) |
 Pietro CeccarelliPatient at Mental Hospital (uncredited) | Patient at Mental Hospital (uncredited) |
