Alexander Ian "Alex" Sharp (born February 2, 1989) is a Tony Award-winning English actor best known for originating the role of Christopher Boone in the Broadway Production of The Curious Incident of the Dog in the Night-Time.After graduating from the Juilliard School in the summer of 2014, he made his Broadway and acting debut in the play The Curious Incident of the Dog in the Night-Time in the autumn.