Armand Douglas Hammer (born August 28, 1986) is an American actor. He began his acting career with guest appearances in several television series. His first leading role was as Billy Graham in the 2008 film Billy: The Early Years and Hammer gained wider recognition for his double role portraying the twins Cameron and Tyler Winklevoss in David Fincher's biopic The Social Network (2010), for which he won the Toronto Film Critics Association Award for Best Supporting Actor. Hammer portrayed Clyde Tolson in the biopic J.
https://en.wikipedia.org/wiki/Armie_Hammer