Cast 28

1. 

   Fabio Testi

   Enrico Rosseni

2. 

   Karin Baal

   Herta Rosseni

3. 

   Cristina Galbó

   Elizabeth Seccles (as Christine Galbo)

4. 

   Joachim Fuchsberger

   Inspector Barth

5. 

   Günther Stoll

   Professor Bascombe

6. 

   Claudia Butenuth

   Brenda Pilchard

7. 

   Camille Keaton

   Solange Beauregard

8. 

   Maria Monti

   Mrs. Erickson

9. 

   Giancarlo Badessi

   Mr. Erickson

10. Pilar Castel

    Janet Bryant

11. 

    Giovanna Di Bernardo

    Helen Edmonds

12. 

    Vittorio Fanfoni

    Enrico's Landlord

13. Marco Mariani

    Father Webber

14. 

    Antonio Casale

    Mr. Newton (as Antony Vernon)

15. Emilia Wolkowicz

    Ruth Holden (as Emilia Wolkowich)

16. Daniele Micheletti

    Mr. Bryant

17. 

    Antonio Anelli

    Father Herbert

18. 

    Rainer Penkert

    Mr. Leach, the Headmaster

19. 

    Carla Mancini

    Susan, a Student

20. 

    Joe D'Amato

    CID Officer w / The Daily Telegraph (uncredited)

21. John Gayford

    Joseph Kane (uncredited)

22. 

    Alfonso Giganti

    Man at Church (uncredited)

23. 

    Charles Howerton

    Phillip Sullivan (voice) (uncredited)

24. 

    Maria Michi

    Brenda's Mother (uncredited)

25. 

    Alfred Vohrer

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

26. Joe Wadham

    Policeman (uncredited)

27. 

    Augusta Di Vincenzi

    Woman in church (uncredited)

28. Rory MacDonald

    Phillip Sullivan (uncredited)

Crew 28