Series Hardness 10 (1974) Härte 10 1h 30m DE Ended Clear Sign in to rate Crime Action & Adventure Sign in to track Sign in for lists Share Share on X Share on Facebook Share on WhatsApp Instagram Copy link Production Bavaria Film · WDR Cast Seasons Cast 20 people Olga Georges-Picot as Nadine Mercier Wolfgang Kieling as Martin Melchior Arthur Brauss as Abdul Carraco Horst Janson as Piet van Straaten Jeremy Kemp as Sir Harold Ames Tilli Breidenbach as Lady Ames Peter Vaughan as Mackintosh Maria Grazia Marescalchi as Frau Steffen Michael Culver as Axel Hubert T Tonio von der Meden Acting Joachim Hansen Acting Georg Marischka Acting Giuseppe Addobbati Del Negro Peter Capell Acting M Marietta Meade Acting J János Gönczöl Acting H Heidi Treutler Acting Rolf Schimpf Acting Herbert Fux Acting
