“I"m over the moon to be involved in the Doctor Who Christmas special. I can"t quite believe it, as it"s a part of the family tradition at the Jenkins household," the Daily Express quoted Katherine as saying. “I heard the news that I got the role on my 30th birthday and it was the best birthday present ever," she added.
Steven Moffat executive producer said: “We"re going for broke with this one. It"s all your favourite Christmas movies at once in an hour, with monsters. And the Doctor. And a honeymoon."