That was over 30 years ago in 1992.
Today he is 75, and has starred in 83 movies in total, 66 since Alien³ was released.
In Alien³, I think Charles Dance looks:
Alien³ scores 6.2 out of 10 on The Movie Database.
Charles Dance's first acting role was as 'Colin' in Dreams of Leaving, released in 1980 when he was 33.