That was over 23 years ago in 1998.
Today she is 63, and has starred in 80 movies in total, 41 since Sphere was released.
In Sphere, I think Sharon Stone looks:
Sphere scores 5.8 out of 10 on The Movie Database.
Sharon Stone's first acting role was as 'Pretty Girl on train' in Stardust Memories, released in 1980 when she was 22.