That was over 28 years ago in 1993.
Today he is 91, and has starred in 91 movies in total, 32 since The Firm was released.
In The Firm, I think Gene Hackman looks:
The Firm scores 6.6 out of 10 on The Movie Database.
Gene Hackman's first acting role was as 'Norman' in Lilith, released in 1964 when he was 34.