Holland replaced ShaileneWoodley as Kaitlin Cooper after Season 1. Daughter of Jimmy (Tate Donovan) and Julie (MelindaClarke) and sister of Marissa (MischaBarton), Kaitlin temporarily returned home from boarding school and befriended Johnny Harper (RyanDonowho). Months later, Kaitlin returned to Newport Beach full-time. She later blackmailed Dr. Neil Roberts (Michael Nouri) and dated band geek Will Tutt (ChrisBrown). By series' end, she had a half-brother and attend college full-time.