Cult
Warning: This article contains spoilers that some readers may prefer to avoid. Please click here if you wish to continue.
© Rex Features
The Come Fly With Me comic, who announced his involvement in the show earlier this month, is apparently portraying a cowardly creature called Gibbis.
Compared to Mole from the Wind In The Willows, a source told The Sun: "They thought Walliams would be perfect for the role of alien Gibbis.
"He is well known for his love of using prosthetics to get into character on his comedy shows, so this won't be much different for him. But it will be a lot scarier than the stuff he normally does."
Doctor Who airs this spring on BBC One for a shorter run, before the sci-fi drama returns in the autumn for another mini-series.
Related Stories
Tube Talk
'Bedlam': On set for the new seriesTube Talk takes a trip to the Bedlam set and speaks with star Lacey Turner.
TV Interviews
'Mike and Molly' Reno Wilson Q&ADigital Spy chats to Reno Wilson about Mike and Molly's wedding and beyond.
TV Ratings
'The Apprentice' final hires nearly 7mEarlier, the BBC's coverage of the Diamond Jubilee entertains more than 10m.
TV Recaps
'Homeland' finale: Have your sayHomeland's incredible finale is reviewed by Digital Spy. Share your verdict.
