Mark Sheppard. Actor: Supernatural: Zur Hölle mit dem Bösen. Mark Andreas Sheppard was born on May 30, 1964 in London, England. He is an actor director and producer, known for Supernatural (2005), Battlestar Galactica (2004), Firefly (2002), Leverage (2008), Doctor Who (2005) In the Name of the Father (1993) and many others. He has been married to Sarah Louise Fudge since November 9, 2015.