- Pilar Castel - Janet Bryant
- Giovanna Di Bernardo - Helen Edmonds
- Vittorio Fanfoni - Enrico's Landlord
- Marco Mariani - Father Webber
- Antonio Casale - Mr. Newton (as Antony Vernon)
- Emilia Wolkowicz - Ruth Holden (as Emilia Wolkowich)
- Daniele Micheletti - Mr. Bryant
- Antonio Anelli - Father Herbert
- Rainer Penkert - Mr. Leach, the Headmaster
- Carla Mancini - Susan, a Student
- Joe D'Amato - CID Officer w / The Daily Telegraph (uncredited)
- John Gayford - Joseph Kane (uncredited)
- Alfonso Giganti - Man at Church (uncredited)
- Charles Howerton - Phillip Sullivan (voice) (uncredited)
- Maria Michi - Brenda's Mother (uncredited)
- Alfred Vohrer - Edgar Wallace (voice) (archive footage) (uncredited)
- Joe Wadham - Policeman (uncredited)
- Augusta Di Vincenzi - Woman in church (uncredited)
- Rory MacDonald - Phillip Sullivan (uncredited)
- Massimo Dallamano
- Massimo Dallamano
- Massimo Dallamano
- Bruno Di Geronimo
- Bruno Di Geronimo
- Horst Wendlandt
- Fulvio Lucisano
- Ennio Morricone
- Bruno Nicolai
Capítulo disponible en las siguientes plataformas:
