That was over 15 years ago in 2006.
Today he is 48, and has starred in 51 movies in total, 31 since Joyeux Noël was released.
In Joyeux Noël, I think Guillaume Canet looks:
Joyeux Noël scores 7.3 out of 10 on The Movie Database.
Guillaume Canet's first acting role was as 'Maxime' in Le voyage de Pénélope, released in 1996 when he was 22.