British comedy star Tim McInnery will feature in an upcoming episode of the hit sci-fi series, the BBC announced.

McInnery, best known for his portrayals of eccentric characters such as Captain Kevin Darling and Lord Percy Percy throughout four seasons of Blackadder, will also star in an episode later in the series.

Previously, Clive Swift from Keeping Up Appearances and Geoffrey Palmer, who has also appeared in Blackadder Goes Forth from have filmed roles for the Christmas Special.