Karin Baal
as Herta Rosseni
Joachim Fuchsberger
as Inspector Barth
Cristina Galbó
as Elizabeth Seccles
Günther Stoll
as Professor Bascombe
Claudia Butenuth
as Brenda Pilchard
Maria Monti
as Mrs. Erickson
Pilar Castel
as Janet Bryant
Giovanna di Bernardo
as Helen Edmonds
Rainer Penkert
as Mr. Leach, the headmaster
Marco Mariani
as Father Webber
Emilia Wolkowicz
as Ruth Holden