That was over 22 years ago in 1999.
Today she is 59, and has starred in 73 movies in total, 32 since eXistenZ was released.
In eXistenZ, I think Jennifer Jason Leigh looks:
eXistenZ scores 6.7 out of 10 on The Movie Database.
Jennifer Jason Leigh's first acting role was as 'Kristy Teeter' in Angel City, released in 1980 when she was 18.