I would have made Easton Dr. Tom Hardy.
Yeah they do have sibling chemistry but I like them together. Not necessarily in a romantic sense.
Exactly on Valentin. They stumbled in the beginning but thanks to Stuart being so good and not forcing his 'redemption' it works and made him a viable option for Anna. Something I never would have wanted a few years ago.
They don't learn and here they stumbling with Cyrus and Peter (and Mr. Julliard doesn't help)