Jenna Coleman, who plays the Doctor’s adventuring companion, Clara Oswald, said that some of their very first scenes together required her to comment on how different he looked from his predecessors.
“My lines were like: ‘But he’s so old! Why is he gray? Why has he got lines on his face?’” Ms. Coleman said: ‘I didn’t know him at all at this point. In between takes, I was like: ’Oh, Peter, I’m so sorry. Terribly sorry. You look great’”.