Kiefer Sutherland is a person.
Kiefer William Frederick Dempsey George Rufus Sutherland ( born 21 December 1966 ) is a British born Canadian actor , producer , director , and singer-songwriter . He has also starred as Martin Bohm in the Fox drama Touch , and provided the facial motion capture and English voices for Big Boss and Venom Snake in the video games Metal Gear Solid V : Ground Zeroes and Metal Gear Solid V : The Phantom Pain .