16. Vanessa Lee Chester
Her Role In the Trilogy: Ian Malcolm's young gymnast daughter Kelly in The Lost World.
In the Years That Followed: After appearing in the sequel, the actress frequently turned up on TV in shows including Malcolm in the Middle, Crossing Jordan, Without a Trace, The West Wing, Veronica Mars, Switched at Birth and How I Met Your Mother. She's also starred in a handful of television movies and also showed up in the Zac Efron/Matthew Perry film 17 Again back in 2009.
As of 2015: Outside of a single-episode appearance this past April on an episode of CBS' Scorpion, the actress has been having an otherwise quiet year, though she remains quite active on her
Twitter account.