David Tennant appeared in the movie `` Harry Potter and the Philosopher 's Stone '' .
He is best known for his roles as the Tenth Doctor in the British television series `` Doctor Who '' , Alec Hardy in `` Broadchurch '' , Giacomo Casanova in the TV serial `` Casanova '' , Kilgrave in `` Jessica Jones '' , and Barty Crouch , Jr. in the film `` Harry Potter and the Philosopher 's Stone '' .
David Tennant