Générique complet
Mais... qu'avez vous fait à Solange
Fabio Testi
Enrico Rosseni
Karin Baal
Herta Rosseni
Cristina Galbó
Elizabeth Seccles
Joachim Fuchsberger
Inspector Barth
Günther Stoll
Professor Bascombe
Claudia Butenuth
Brenda Pilchard
Camille Keaton
Solange Beauregard
Maria Monti
Mrs. Erickson
Giancarlo Badessi
Mr. Erickson
Pilar Castel
Janet Bryant
Giovanna Di Bernardo
Helen Edmonds
Vittorio Fanfoni
Enrico's Landlord
Marco Mariani
Father Webber
Antonio Casale
Mr. Newton
Emilia Wolkowicz
Ruth Holden
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)
Réalisation
Scénario
Bruno Di Geronimo
Histoire, Scénario
Massimo Dallamano
Histoire, Scénario
Peter M. Thouet
Scénario
Edgar Wallace
Roman
Production
Fulvio Lucisano
Production
Leo Pescarolo
Production
Horst Wendlandt
Production
Enrico Melonari
Production Manager
Giuliano Principato
Unit Manager
Wolfgang Fritsche
Production Manager
Image
Montage
Son et musique
Ennio Morricone
Musique
Francesco Vernier
Sound
Peter Ruddis
Sound
Bruno Nicolai
Music Director