Sources of Life () is a 2013 German film directed by Oskar Roehler. Cast Jürgen Vogel as Erich Freytag Moritz Bleibtreu as Klaus Freytag Kostja Ullmann as Young Klaus Freitag Meret Becker as Elisabeth Freytag Sonja Kirchberger as Marie Freytag Lavinia Wilson as Gisela Ellers Leonard Scheicher as Robert Freytag, 13–17 years Lisa Smit as Laura, 13–17 years as Hildegard Ellers Thomas Heinze as Martin Ellers Rolf Zacher as Erwin References External links 2013 comedy films 2013 films Films directed by Oskar Roehler Films scored by Martin Todsharow Films set in 1949 Films set in the 1950s Films set in the 1960s Films set in the 1970s Films set in West Germany German comedy films 2010s German films