That was over 15 years ago in 2006.
Today he is 46, and has starred in 44 movies in total, 19 since The Departed was released.
In The Departed, I think Leonardo DiCaprio looks:
The Departed scores 8 out of 10 on The Movie Database.
Leonardo DiCaprio's first acting role was as 'Josh' in Critters 3, released in 1991 when he was 17.