Ned Dennehy (born 8 December 1965) is an Irish actor in films and television. His credits include The Mystic Knights of Tir Na Nog (1998), Blitz (2011), Harry Potter and the Deathly Hallows – Part 1, Downhill (2014), Luther, Banished, Dickensian, Peaky Blinders (2017), Versailles, Broken, Outlander, and Shōgun (2024).