Ezra Miller was 23 in Fantastic Beasts and Where to Find Them when they played the character 'Credence Bellebosse'.
That was over 7 years ago in 2016.
Today they is 31, and has starred in 21 movies in total, 7 of those since Fantastic Beasts and Where to Find Them was released.
In Fantastic Beasts and Where to Find Them, I think Ezra Miller looks: