Giovanni Lombardo Radice as Professor Vassago

Antonio Zequila as Senator Vinci

Simone Destrero as Karl the Butcher

Erika Kamese as Liliana

Steve Aquilina as Hans Ebert

Vincenzo Pezzopane as Aristide D'Amato

Michela Foresta as Bea Vinci

Leonardo Pace as Lanza (The Lawyer)

Daniela Ciccone as Deborah

Choco Late as Karen (The Soubrette)

Federica Carpico as The Spanish Steps Girl

Nikol Brown as Razor Victim

Chiara Pavoni as The Prostitute

Fabrizia Scopinaro as Antiquarian's Lover

Antonio Tentori as The Client

Barbara Magnolfi as Final Victim

Marco Cerilli as The Gimp

Luigi Cozzi as Dr. Cozzi (Forensic Inspector)

Enzo G. Castellari as Dr. Castellari (Chief Inspector)

Andreas Schnaas as Paul Glas (Hamburg Informant)

Fabrizio Capucci as Antiquarian

Lilli Carati as The Occultist

Matteo Pastore as Young Karl

Stefania Visconti as Karl's Mother

Roberto D'Onofrio as Reporter

Riccardo Rocchi as Forensic Photographer

Roberto Ciardiello as Forensic Agent 1

Roberto Romagnoli as Forensic Agent 2

Mauro Piccillo as Forensic Agent 3

Stefano D'Ambrosio as Driver

Francesca Paolucci as Dark Prostitute

Jennifer Venuti as Red Prostitute

Marina Casalino as Third Prostitute

Dario D'Agostino as Tobacconist