Which English actor and producer guest-star in the third episode of the eighth series of "Doctor Who"?
Tom Riley (actor) Tom Riley (born 5 April 1981) is an English actor and producer.
James Northcote (actor) James Northcote (born James Walker; 10 October 1987) is an English actor and Producer who has appeared in "The Last Kingdom (TV series)","The Imitation Game", "Nymphomaniac", "Anna Karenina", and "Wuthering Heights".