That was over 21 years ago in 2000.
Today he is 66, and has starred in 38 movies in total, 16 since Mission to Mars was released.
In Mission to Mars, I think Gary Sinise looks:
Mission to Mars scores 5.7 out of 10 on The Movie Database.
Gary Sinise's first acting role was as 'Austin' in True West, released in 1984 when he was 28.