 After the release of the 2004 German film Downfall ( Der Untergang ) in France , French journalist Nicolas Bourcier interviewed Misch on multiple occasions during 2005 . The resulting biography was published in French as J 'étais garde du corps d 'Hitler 1940 – 1945 ( I was Hitler 's bodyguard 1940 – 1945 ) in March 2006 , ISBN 2253121541 . Translations were released in South America , Japan , Spain , Poland , Turkey , and Germany in 2006 and 2007 . Misch served as consultant to writer Christopher McQuarrie on the 2008 film Valkyrie , a Hollywood depiction of the 20 July plot . 
