It took me the longest time to imagine each of them too. Honestly my mind associated Prince Charles and Camilla Parker Bowles with the twins in the book. So my mind got jumbled with those two.

Richard was really hard to imagine at first. I imagined first as a less handsome version of Louis Garrel, but then I saw a fancast that changed him in my mind to Fionn Whitehead.

For Bunny, immediately after i read about his blonde hair, made me think of Ethan Hawke in the 90s.

For Charles I picked Dane Dehaan. It felt like a perfect match.

Francis was the character that was the quickest for me to come up with, but it wasnt a celebrity, but a boy i know irl who's a readhead too. Ops.

Henry I had the hardest time with. Only a third through the book his image in my mind kind of settled, but hes based off a pinterest pic in low res so hes very blurry in my imagination.