Omar Elba (Arabic: عمر علبة) formerly Alexander Black; (born September 19, 1983) is an Egyptian-born American actor, best known for co-starring alongside Tom Hanks in the 2016 movie, A Hologram for the King. He also had a recurring role as Mark Green in the Limetown television series. Elba also starred in Tim (credited as Alexander Black), a 2016 short film about the Ego, Id and Superego. From 2016 until 2018, Elba went