A few things about this are striking. Oh, that's in addition to the committed acting and generally good idea.
This is story about mathematics, actually about mathematicians which is much, much better. "Beautiful Mind" was repellent in a few ways; one was in the cartoonish way mathematical imagination was shown. Another was the way history was bent away from a truly interesting story to be palatable for film audiences. Math at that level requires the juice of life that he took in large gulps from both sexes. And he was such a glutton for mindbending adventure that he bent his own mind. I do not believe he suffered from some genetic disease, nor did he.
This movie repairs some of that. Its clear I think that the Nash phenomenon is at work here: minds powerful enough to break themselves, possibly leaving some mathematical residue, possibly not. The focus on primes may be accidental, but it is apt. As time goes on, they become increasing rarer and infinitely more fascinating, all apparently random but with some hint of unseen order. They don't interest me so much...
In fact, selecting films to build into your life (perspectives and stories to live) is a lot like choosing the types of problems to work on and how. The proof of being in a way is that the selection is made deliberately, based on your weaknesses, not your strengths. Only weak mathematicians and souls work on problems they understand. No life comes from the undaunting. No magic ever comes alone or from peace.
Hopkins isn't obnoxious here. Its clear that he is acting and that the lines are those of a stage character. But he doesn't grandstand; he's gently broken and there are some sweet moments (only two, but central) where he seems to completely have second-guessed where his daughter is going and lucidly makes key suggestions. Hopkins understood those moments and gives then some significance.
Ted's Evaluation -- 3 of 3: Worth watching.