That was over 27 years ago in 1994.
Today he is 33, and has starred in 37 movies in total, 34 since Mixed Nuts was released.
In Mixed Nuts, I think Haley Joel Osment looks:
Mixed Nuts scores 5.5 out of 10 on The Movie Database.
Haley Joel Osment's first acting role was as 'Little Boy' in Mixed Nuts, released in 1994 when he was 6.