@McGurk I love Michael York (and he was absolutely wonderful and vulnerable in Cabaret, what a great film). I wonder what he looked like when he was seventeen or so? And although Anthony Hopkins is best remembered for Hannibal Lector, I also remember his subtle, sensitive performances in Remains of the Day and Howard’s End.
International Velvet was a rather uneven film, but Hopkins’ performance as the team coach was the best thing in it.
I could see Ansel Elgort (The Fault in Our Stars) as Phillip. He’s getting a little bit old, but Phillip doesn’t show up until Simon is older, so…
I think horse films are very expensive to make, unfortunately, animals being animals, and other than racing stories, don’t tend to do that well at the box office. Still, an author can dream…