Petra Schmidt-Schaller (born 28 August 1980) is a German actress. She is noted for the roles of Helene in Runaway Horse (Ein fliehendes Pferd, 2007 movie) alongside Ulrich Noethen, Ulrich Tukur and Katja Riemann, and Maud Brewster in The Sea Wolf (2008 ProSieben film) alongside Thomas Kretschmann.