Alex Sharp was in a show.
Alexander Ian `` Alex '' Sharp ( born 2 February 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 . The Curious Incident of the Dog in the Night-Time is a play by Simon Stephens based on the novel of the same name by Mark Haddon . The Tony Award for Best Performance by an Actor in a Leading Role in a Play is an honor presented at the Tony Awards , a ceremony established in 1947 as the Antoinette Perry Awards for Excellence in Theatre , to actors for quality leading roles in a Broadway play .