Tell us about the look for Ncuti’s Doctor.
◆ I had worked with Ncuti before – I did season one of Sex Education. So he was a known quantity, we’re good friends. As well as giving us a little bit of scope to be a bit more adventurous and playful in a way that’s suited to his personality, I wanted to do something a little bit more interesting. So we started looking at nail tattoos. Then I was looking at some of the symbols in the Gallifreyan alphabet.
Obviously, they’re too big to fit on a fingernail,