Forget the thread title, instead name the young character this lady played. Clue: it was a one-off movie role.
Gee, thanks Marso, I was hoping for a few more guesses before somebody got the right answer! Yeah, it's Carrie Henn, who played Newt in Aliens.
I didn't even really need the picture. When you said it was a one-off movie, Carrie Henn is pretty much the first thing I think of when it comes to child actors.
Wow. I was just re-watching Aliens the other day and thinking "Cute kid...I wonder what she looks like now?" Now I know. And I wish I didn't.