That was over 23 years ago in 1998.
Today he is 46, and has starred in 44 movies in total, 28 since The Man in the Iron Mask was released.
In The Man in the Iron Mask, I think Leonardo DiCaprio looks:
The Man in the Iron Mask scores 6.3 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.