Claim: David Tennant did not play the Tenth Doctor in Doctor Who.
Evidence: 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 Goblet of Fire.
The Tenth Doctor is an incarnation of the Doctor , the protagonist of the BBC science fiction television programme Doctor Who , who is played by David Tennant in three series as well as nine specials.