“Chris met with Steven Moffat a couple of times to talk about Steven’s plans for the Doctor Who 50th anniversary episode,” an official source said.
“After careful thought, Chris decided not to be in the episode. He wishes the team all the best.”
As reported last week, David Tennant, Bille Piper and John Hurt will join Matt Smith & Jenna Louise Coleman.
Also guest starring, Joanna Page (Gavin & Stacy). Several pictures of the first read through were released by the BBC.