Enrico Rosseni

Fabio Testi

Elizabeth Seccles

Christine Galbo

Herta Rosseni

Karin Baal

Inspector Barth

Joachim Fuchsberger

Solange Beauregard

Camille Keaton

Professor Bascombe

Günther Stoll

Brenda Pilchard

Claudia Butenuth

Mrs. Erickson

Maria Monti

Mr. Erickson

Giancarlo Badessi

Janet Bryant

Pilar Castel

Helen Edmonds

Giovanna Di Bernardo

Mr. Leach, the headmaster

Rainer Penkert

Enrico's friend

Vittorio Fanfoni

Father Webber

Marco Mariani

Ruth Holden

Emilia Wolkowicz

Mr. Newton

Antonio Casale

Mr. Bryant

Daniele Micheletti

Father Herbert

Antonio Anelli

Susan, a Student

Carla Mancini

Joseph Kane (uncredited)

John Gayford

CID Officer w

Joe D'Amato

Man at Church (uncredited)

Alfonso Giganti

Phillip Sullivan (voice) (uncredited)

Charles Howerton

Brenda's Mother (uncredited)

Maria Michi

Edgar Wallace (voice) (archive footage) (uncredited)

Alfred Vohrer

Policeman (uncredited)

Joe Wadham

Woman in church (uncredited)

Augusta Di Vincenzi