That was over 6 years ago in 2015.
Today he is 82, and has starred in 97 movies in total, 11 since Mr. Holmes was released.
In Mr. Holmes, I think Ian McKellen looks:
Mr. Holmes 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.