Colleen is a fictional character portrayed by Rachel Bilson in the TV series Buffy the Vampire Slayer.
In the first episode they appeared in, titled Dirty Girls (season 7), they were 21 years old.
They appear in 1 episodes out of a total of 144 aired
Episodes1
Dirty Girls
episode S7.E18 april 2003Faith returns to Sunnydale just as a new villain, Caleb, arrives and sends Buffy a message in the form of a badly beaten Potential. Buffy leads the rest of the girls to Caleb and The First's lair, with devastating consequences.