Tenderness of the Wolves 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. Details Casts Videos Galleries Posters Title Tenderness of the Wolves Release Date 1973-07-12 Runtime 01 Hours 22 Minutes Genres Horror Crime Drama Production Companies Tango Film Production Countries Germany Kurt Raab... Insp. Fritz Haarmann... Jeff Roden... Hans Grans... Margit Carstensen... Frau Lindner... Ingrid Caven... Dora... Wolfgang Schenck... Kommissar Braun... Brigitte Mira... Louise Engel... Rainer Hauer... Kommissar Müller... Barbara Bertram... Elli... Rainer Werner Fassbinder... Wittowski... Heinrich Giskes... Lungis... Friedrich Karl Praetorius... Kurt Fromm... Karl von Liebezeit... Herr Engel... Walter Kaltheuner... Schuhmacher... El Hedi ben Salem... Französischer Soldat... Rainer Will... Opfer... Inigo Natzel... Opfer... Hans Tarantik... Opfer... Christoph Eichhorn... Opfer... Johannes Wacker... Opfer... Oliver Hirschmüller... Opfer... Rosel Zech... Dame an der Tür... Irm Hermann... Frau, die Kleider hergibt... Renate Grosser... Frau, die Kleider hergibt... Jürgen Prochnow... Hehler... Wolfgang Schneider... Hehler... Hans Hirschmüller... Fahrradkäufer... Tana Schanzara... Nachbarin... Rudolf Waldemar Brem... Gast... Peter Chatel... Karl Meier... Karl Scheydt... Kommissar... Joachim Preen... Gast... Erwin Bootz... Barpianist... Peer Raben... Vater... Hannelore Tiefenbrunner... Frau Bucher... Peter Gauhe... Polizist... Ulli Lommel... Hans Grans... Die Zärtlichkeit der Wölfe (1973) TRAILER [HD] (Trailer) Tenderness of the Wolves - The Arrow Video Story (Featurette) Mick Garris on TENDERNESS OF THE WOLVES (Featurette) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1152x1728) Original Size (838x1161) Original Size (960x1440) Original Size (1152x1728) Original Size (688x981) Original Size (1200x1800)