John Richardson

Karl Schein

Gordon Mitchell

Dr. Otto Frankenstein

Renato Romano

Insp. Schneider

Xiro Papas

Mosaic

Dada Gallotti

Butcher

Dalila Di Lazzaro

Sonia

Marisa Traversi

Second Prostitute

Fulvio Mingozzi

Second Investigator

Umberto Amambrini

Vice Straus

Luigi Antonio Guerra

Agent