George William Harris (born 20 October 1949) is a retired British actor. His notable roles include Kingsley Shacklebolt in the Harry Potter film series, Captain Simon Katanga in Raiders of the Lost Ark, and Clive King in the BBC medical drama Casualty, where he was one of the original cast members. He also played real-life Somali arms dealer Osman Ali Atto in the 2001 film Black Hawk Down. Harris retired in 2013 and has not made any new appearances in film or television since.