John Richardson as Karl Schein

Gordon Mitchell as Dr. Otto Frankenstein

Renato Romano as Insp. Schneider

Xiro Papas as Mosaic

Dada Gallotti as Butcher

Roberto Fizz as Professor Schwarz

Dalila Di Lazzaro as Sonia

Marisa Traversi as Second Prostitute

Lemmy Carson as Fritz

Marco Mariani as Track Spectator

Luigi Bonos as Hobo

Fulvio Mingozzi as Second Investigator

Umberto Amambrini as Vice Straus

Luigi Antonio Guerra as Agent

Eolo Capritti as Witness

Renate Kasché as Redhead in car

Ann Odessa as Stripper