David Tenant has inside tips about Chibnall's time with Doctor Who, but he won't tell David Tenant, Doctor# 10 or 11 depending on how you count, has worked with Chris Chibnall thanks to his time in Broadchurch, and of course Chibnall is due to replace Stephen Moffatt shortly as Show Runner. Tacked onto the end of this interview about Tenants new movie about RD Lang (it sounds like an amazing movie) he's quizzed a bit about both Harry Potter and Doctor Who.