- This article is a stub. You can help the The O.C. Wiki by expanding it.
Erin Foster is an American writer, performer and entrepreneur. She portrayed Heather in the third and fourth seasons of the Fox drama series The O.C..
Biography[]
Erin Foster is an American actress. She has become most recognizable for her role as Heather, Marissa Cooper's enemy, on The O.C.. She is the daughter of David Foster.