That was over 31 years ago in 1990.
Today he is 77, and has starred in 113 movies in total, 81 since Predator 2 was released.
In Predator 2, I think Gary Busey looks:
Predator 2 scores 6 out of 10 on The Movie Database.
Gary Busey's first acting role was as 'Concert Attendee' in Wild in the Streets, released in 1968 when he was 23.