Kaitlin

• Kaitlin Cooper (played by Willa Holland) – (Seasons 3 & 4): Originally played by Shailene Woodley in a recurring role during Season 1, Kaitlin spends much of the series at boarding school before returning on a recurring basis in season 3 (now played by Holland) and finally becoming a regular character in season 4. The daughter of Jimmy Cooper and Julie Cooper-Nichol and sister to the late Marissa Cooper. After returning from boarding school, she begins to like Johnny, Marissa's friend, but when he dies she blames herself and goes back to boarding school. She comes home before Marissa is to leave for her boat trip and starts attending high school at Harbor during the fourth season. Her personality is more similar to her mother's rather than her father's, and quite different from that of her older sister Marissa. She dates Chris Brown who plays Will for a short time known as "band geek." In the finale, Kaitlin is shown congratulating her mother for graduating. She has a younger half-brother courtesy of Frank Atwood and Julie.