That was over 16 years ago in 2003.
Today he is 59, and has starred in 75 movies in total, 29 since 21 Grams was released.
In 21 Grams, I think Sean Penn looks:
21 Grams scores 7.2 out of 10 on The Movie Database.
Sean Penn's first acting role was as 'Cadet Captain Alex Dwyer' in Taps, released in 1981 when he was 21.
Find DVDs, posters and memorabilia about 21 Grams on Amazon.