Main Cast Overview
The O.C. season 3 cast features the core ensemble from the previous seasons, with Ben McKenzie as Ryan Atwood, Adam Brody as Seth Cohen, and Mischa Barton as Marissa Cooper. Peter Gallagher returns as Sandy Cohen, and Kelly Rowan plays Kirsten Cohen.
Key New Additions
Season 3 introduces several recurring and regular cast members. Cast members include Ryan's brother Trey Atwood, portrayed by Bradley Stryker, and new love interests introduced into the Orange County storyline. The season also brings in characters tied to the Cohen family's evolving dynamics.
Where to Watch
Fans can stream select episodes and seasons of The O.C. on platforms such as Hulu. Availability may vary by region and over time, so checking the current catalog is recommended.
