In the Italian hard version, the scene with Mark Shanon and Guia Lauri Filzi is an insertion form the contemporary "La dottoressa di campagna". The original hard scene is present only in the German version "Das sextaxi - Taxifahrer reporti". Angela Bonfanti credited as Mary Botle. Source: Franco Grattarola, Andrea Napoli, “Luce Rossa”, pag. 285.