William Houston Filmography
- Actor (32 credits)
- Charlotte Link - Die letzte Spur (2017) Inspector Peter Fielder
- Will (2017) Kemp
- La danseuse (2016) Rud
- Brimstone (2016)
- Level Up (2016)
- Der Beobachter (2015) Inspector Peter Fielder
- Shakespeare's Globe: Titus Andronicus (2015) Titus Andronicus
- Son of God (2014) Moses
- Dracula Untold (2014) Cazan
- Women of the Bible (2014) Moses
- The Bible (2013) Moses
- Sawney: Flesh of Man (2012) Charlie McGuire
- North & South: Deleted Scenes (2011) John Boucher, not listed in credits
- Sherlock Holmes: A Game of Shadows (2011) Constable Clark
- Age of Heroes (2011) Mac
- Clash of the Titans (2010) Ammon
- The Indian Doctor (2010) Basil Thomas
- Sherlock Holmes (2009) Constable Clark
- Casualty 1909 (2009) Millais Culpin
- Casualty 1907 (2008) Dr. Millais Culpin
- Fifty Dead Men Walking (2008) Ray
- Elizabeth: The Golden Age (2007) Don Guerau De Spes
- Puffball (2007) Tucker
- Losing Her (2007) Carson
- Robin Hood (2006) Finn
- Mockingbird (2005) Father
- North & South (2004) John Boucher
- Hamlet (2003) Hamlet
- Henry VIII (2003) Thomas Seymour
- The Gambler (1997) Pasha
- The Odyssey (1997) Anticlus
- Fall from Grace (1994) Radar Operator