That was over 24 years ago in 1998.
Today he is 75, and has starred in 146 movies in total, 108 since Lethal Weapon 4 was released.
In Lethal Weapon 4, I think Danny Glover looks:
Lethal Weapon 4 scores 6.3 out of 10 on The Movie Database.
Danny Glover's first acting role was as 'Inmate' in Escape from Alcatraz, released in 1979 when he was 32.