Britta Hammelstein. Actress: The Baader Meinhof Complex. Britta Hammelstein was born on August 8, 1981 in Friedberg, Hessen, Germany. She is a german actress, known for Mackie Messer - Brechts Dreigroschenfilm, Der Hauptmann (2017), Auf kurze Distanz (2015), Wir Monster, Das Zeugenhaus (2014), Der Baader Meinhof Komplex (2008), Freier Fall (2013) and Tatort (2010, 2012, 2013, 2014). She studied acting at Otto-Falckenberg-Schule in Munich.