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David Hemmings - Marcus DalyDaria Nicolodi - Gianna BrezziGabriele Lavia - CarloMacha Méril - Helga UlmannEros Pagni - Supt. CalcabriniGiuliana Calandra - Amanda RighettiPiero Mazzinghi - BardiGlauco Mauri - Prof. GiordaniClara Calamai - Martha ManganielloAldo Bonamano - Carlo's FatherLiana Del Balzo - ElviraVittorio Fanfoni - Cop Taking NotesDante Fioretti - Police PhotographerGeraldine Hooper - Massimo RicciJacopo Mariani - Young CarloFurio Meniconi - RodiFulvio Mingozzi - Agent MingozziLorenzo Piani - Fingerprint CopSalvatore Puntillo - Police AgentPiero Vida - Fat CopNicoletta Elmi - OlgaDario Argento - Murderer's Hands (uncredited)Salvatore Baccaro - Fruit Vendor (uncredited)Omero Capanna - Hitman (uncredited)Bruno Di Luia - Concerned Man in Restroom (uncredited)Attilio Dottesio - Florist (uncredited)Tom Felleghy - Surgeon (uncredited)Glauco Onorato - (uncredited)Marilù Tolo - Carol (archive footage) (uncredited)Franco Vaccaro - Pietro Valgoi (uncredited)
Ratings
from TMDB7.7/ 101,652 votes