Detailinformatie over de film Cosa avete fatto a Solange?

Giovanna Di Bernardo (Helen Edmonds), Vittorio Fanfoni (Enrico's friend), Joachim Fuchsberger (Inspector Barth), Cristina Galbó (Elizabeth Seccles (as Christine Galbo)), John Gayford (Joseph Kane), Daniele Micheletti (Mr. Bryant), Maria Monti (Mrs. Erickson), Rainer Penkert (Mr. Leach, the headmaster), Günther Stoll (Professor Bascombe), Alfred Vohrer (Edgar Wallace (voice: German version) (archive footage)), Emilia Wolkowicz (Ruth Holden (as Emilia Wolkowich))

Massimo Dallamano, Bruno Di Geronimo, Peter M. Thouet, Edgar Wallace

Clarissa Ambach, Antonio Siciliano

Peter Ruddis, Francesco Vernier

Fulvio Lucisano, Leo Pescarolo, Horst Wendlandt

American International Pictures (AIP), Clodio Cinematografica, Constantin Film, Empire Video, Italian International Film, Redemption Films, Rialto Film Preben-Philipsen, Shriek Show, Sinister Cinema