“Obviously we wrote all of our scripts before we saw him. We knew the story and this guy was going to be older, a bit grumpier, a bit sharper. The minute they had any footage of him they showed, but there’s an interplay between the writing and what he’s trying to bring to it."In the Forest of the Night" airs tonight at 8.20pm on BBC One and at 9/8 CST on BBC America.
I think the key note Steven gave was that whereas the other Doctors tell you what they’re doing, he’ll keep things to himself for a while. Matt would tell you everything, but [Capaldi’s Doctor] keeps the process to himself until he acts on it.”
[Source: Radio Times]