Harriet M. Welsch - Michelle Trachtenburg
Michelle is 21, and best known for her role on Buffy the Vampire Slayer, and as a co-star of EuroTrip.
Sport - Gregory Smith
Yummy Gregory Smith is best known for Ephram Brown on Everwood. He's 24 and has 2 movies coming out within the year.
Janie Gibbs - Vanessa Lee Chester
Vanessa is currently 23, and this is the latest picture I could find of her, from 2001. She's been in quite a number of TV shows in the past few years.
Marion Hawthorne - Charlotte Sullivan
She's 23 and working on a few projects recently.
Beth Ellen Hansen - Cecilley Carroll
This appears to be her Myspace...
Boy with the Purple Socks - Dov Tiefenbach
He's in the middle..obviously. He's 25 and any Canadian will recognize this kid from their childhood. He's in a self-proclaimed "dirty indie pop" band out of Toronto, and has a movie coming out this year.