Suggestion for Math Movies
"Stand and Deliver" is about a math teacher who teaches Advanced Placement Calculus to inner city children.
Twentyone, en.wikipedia.org/wiki/21_(2008_film), is about a professor and students who use mathematics and planning to win money in Las Vega.
Comment j'ai détesté les maths (How I came to hate maths), elected in France as the best 2014 documentary film. I really enjoyed it. You can see the trailer (with English subtitles) here.
A movie that I haven't seen yet: The Imitation Game, about Alan Turing's life.
See also the Wikipedia page on Films about mathematicians.
I saw 'Donald Duck in Mathemagic Land' many years ago, and I still remember it very fondly. I recommend it highly!
And it is suitable for all ages!