Comedy legends Stephen Fry and Lenny Henry are set to appear in the next series
Both actors have semi-involvement in Doctor Who beforehand. Known for his appearances in QI and Blackadder, Stephen played the Minister of Chance in Doctor Who's first webcast Death Comes to Time and was considered to write an episode for David Tennant's first series as the Tenth Doctor back in 2006, whilst Lenny had played a parody version of the Doctor in a sketch in The Lenny Henry Show back in 1985