Alex Sharp was in a West End 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 . The Curious Incident of the Dog in the Night-Time (play) . The play premiered on 2 August 2012 in the Cottesloe Theatre at the Royal National Theatre in London before transferring to the Apollo Theatre in the West End on 12 March 2013 . The Mousetrap is a murder mystery play by Agatha Christie .