Guillaume Canet was 31 in Joyeux Noel when he played the character 'Lieutenant Camille Rene Audebert'.
That was over 19 years ago in 2005.
Today he is 51, and has starred in 69 movies in total, 44 of those since Joyeux Noel was released.
In Joyeux Noel, I think Guillaume Canet looks: