Il coltello di ghiaccio
aka: Knife of Ice / Silent Horror / Detras del silencio / The Dagger of Ice / The Ice-Pick
DVD: 声なき殺人者
Direct: Umberto Lenzi
Script: Umberto Lenzi + Antonio Troiso + Luis G. de Blain
Score: Marcello Giombini
Cast: Carroll Baker + Ida Galli (as Evelyn Stewart) + Sergio Ciani (as Alan Scott) + Eduardo Fajardo + Georges Rigaud + Silvia Monelli + Franco Fantasia + Carla Mancini + Rosa Maria Rodrigues + Dada Gallotti + Lorenzo Robledo
