That was over 15 years ago in 2006.
Today he is 82, and has starred in 97 movies in total, 36 since The Da Vinci Code was released.
In The Da Vinci Code, I think Ian McKellen looks:
The Da Vinci Code scores 6.5 out of 10 on The Movie Database.
Ian McKellen's first acting role was as 'Roger' in Alfred the Great, released in 1969 when he was 30.