Claim: Alex Sharp was only in original plays.

Alexander Ian `` Alex '' Sharp -LRB- born 2 February 1989 -RRB- 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 . For his role as the autistic teenager Christopher Boone , he was awarded the Tony Award for Best Actor in a Play , Drama Desk Award for Outstanding Actor in a Play , and the Outer Critics Circle Award . , he is the youngest winner of the Tony Award for Best Actor in a Play .