That was over 28 years ago in 1993.
Today she is 54, and has starred in 78 movies in total, 56 since Jurassic Park was released.
In Jurassic Park, I think Laura Dern looks:
Jurassic Park scores 7.7 out of 10 on The Movie Database.
Laura Dern's first acting role was as 'Sharon Ann, Maggie's daughter' in White Lightning, released in 1973 when she was 6.