Haley Joel Osment was 5 in Forrest Gump when he played the character 'Forrest Gump Jr.'.
That was over 30 years ago in 1994.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 36, and has starred in 47 movies in total, 44 of those since Forrest Gump was released.
In Forrest Gump, I think Haley Joel Osment looks: