That was over 23 years ago in 1997.
Today she is 52, and has starred in 45 movies in total, 43 since The Postman was released.
In The Postman, I think Olivia Williams looks:
The Postman scores 6.1 out of 10 on The Movie Database.
Olivia Williams' first acting role was as 'Jane Fairfax' in Emma, released in 1996 when she was 28.