You’ve just started writing the next series. What do want to build on?Obviously Peter and Jenna. Well, if Jenna’s in it… [laughs]. Just the depth of that companion relationship. We took the Doctor/companion relationship to a place that’s just more real, much more damaging and with more consequences. And whoever the companion is, you want …

“She’s just really glad to be back with him. She’s dealing with the death of Danny Pink but happy to be back in the arms of the TARDIS again, and meeting Santa. A lot of the episode is about telling that adventure, and it’s about the Doctor and Clara resolving what they’ve just been through.” …

“It was clear from the first read-through that Peter and Jenna spark off each other’s energy. They get on incredibly well, which always helps.They’re both incredibly conscientious and professional in their approach, and take their responsibility towards the characters very seriously. I think with the Doctor, more than most parts, the actor shapes the character …