This take is of the ladies of the O.C. Please feel free to list your favorites.
1. Marissa Cooper played by Misha Barton (Seasons 1-3 )
She's the troubled rich girl, who's best friends with Summer Roberts and the love interest of Ryan Atwood.
2. Summer Roberts played by Rachel Bilson (Seasons 1-4 )
She's the rich bratty spoiled best friend of Marissa Cooper and the love interest of Seth Cohen.
3. Teenage Kaitlin Cooper played by Willa Holland (Seasons 3 & 4 )
She's Marissa Coopers trouble making little sister.
4. Hailey Nichol played by Amanda Righetti ( Seasons 1 & 2 )
She is the younger sister of Kirsten Cohen and kind of the black sheep in the family.
5. Kirsten Cohen played by Kelly Rowan (Seasons 1-4 )
She's the wife to Sandy Cohen. The mother of Seth and Sophie Cohen. The adoptive mother of Ryan Atwood.
6. Julie Cooper Nichol played by Melinda Clarke (Seasons 1-4 )
She's the mother to Marissa and Kaitlin Cooper with Jimmy Cooper. She's also the mother to Cooper Atwood with Frank Atwood.
7. Lindsay Gardner played by Shannon Lucio (Season 2 )
She's the half sister of Kirsten Cohen and Hailey Nichol, a product of an affair their father had with his secretary.
8. Anna Stern played by Samaire Armstrong (Season 1 with an appearance in Season 3 )
She's the girl that starts out helping Seth build up confidence to talk to Summer, but eventually turns into his love interest and a good friend.
9. Taylor Townsend played by Autumn Reeser (Seasons 3 & 4 )
She's the very intelligent, witty, over achiever who eventually becomes a love interest to Ryan Atwood.
10. Sadie Campbell played by Nikki Reed (Season 3 )
She's the cousin of Johnny Harper and comes to town after his death. She also is the ex of Kevin Volchok and the short lived love interest of Ryan Atwood.
11. Theresa Diaz played by Navi Rawat ( Seasons 1 & 2 with an appearance in Season 3 )
She's Ryan's ex from Chino, who he starts dating again for a short while.
12. Alex Kelly played by Olivia Wilde (Season 2 )
She's the bi- sexual bad girl who runs the local club hangout called the Bait Shop. She also had shorted lived relationships with Seth and then Marissa.