Mathieu Kassovitz was 48 in Valerian and the City of a Thousand Planets when he played the character 'Hawker'.
That was over 7 years ago in 2017.
Today he is 56, and has starred in 56 movies in total, 12 of those since Valerian and the City of a Thousand Planets was released.
In Valerian and the City of a Thousand Planets, I think Mathieu Kassovitz looks: