Danny Horn cast in Doctor Who Christmas Special

Katherine Jenkins has revealed via her Twitter page that actor Danny Horn has been cast in this year's Doctor Who Christmas special.

The Welsh singer, who is also starring is the episode tweeted: "Pls follow my friend @dannyhorn who is also in the Doctor Who Xmas Special. Tho we can't tell you what he does/is or we'll have to kill you!"

Horn unblocked is page and tweeted: "Back to The Tardis I go, this time for Christmas Dinner. 6 hours of eating Christmas dinner with The Doctor. WHO'S COMPLAINING?", "Hung out with Gambon today - so cool."

The special also guest stars Sir Michael Gambon along with regulars Matt Smith, Karen Gillan and Arthur Darvill.