A German serial killer preys on boys and young men during the so-called years of crisis between the wars. Based on the true story of Fritz Haarmann, aka the Butcher of Hanover and the Vampire of Hanover.

Kurt Raab
as Insp. Fritz Haarmann

Jeff Roden
as Hans Grans

Margit Carstensen
as Frau Lindner

Ingrid Caven
as Dora

Wolfgang Schenck
as Kommissar Braun

Brigitte Mira
as Louise Engel

Rainer Hauer
as Kommissar Müller

Barbara Bertram
as Elli

Rainer Werner Fassbinder
as Wittowski

Heinrich Giskes
as Lungis