Matt Smith is leaving "Doctor Who"
After four years, Smith will exit "Doctor Who" at the end of the year, after the Christmas special. Smith released a statement, saying: "It's been an honour to play this part, to follow the legacy of brilliant actors, and helm the TARDIS for a spell with 'the ginger, the nose and the impossible one'. But when ya gotta go, ya gotta go and Trenzalore calls."