One of Seth Cohen's primary romantic interests. She competes with him for admission to Brown University. In the final season, she leaves for college, creating long-distance relationship challenges that test their bond.
A doctor who moves from New York to Bluebell, Alabama, after failing to secure a fellowship. She inherits half of a medical practice and must bring in 30% of its patients to keep it. Zoe struggles to adapt to small-town life, develops feelings for George and Wade, dates Joel, reunites with Wade, becomes pregnant, and marries him.
Millie Harris is David's childhood crush and the person he reconnects with after returning to his hometown. David takes her to Rome, later reveals his teleportation ability, and repeatedly moves her to safety during the attacks. Her capture drives David's final conflict with the people pursuing them.
Kim meets Michael at a wedding and quickly recognizes that he may be preparing to leave Jenna. She flirts with him, invites him to a party, kisses him afterward, and later has sex with him. Kim wants greater emotional acknowledgment, while Michael admits that Jenna is pregnant and that he still loves her.
Amber is Brandy's older sister and one of the people Brandy consults for advice about sex while creating her list. She also becomes involved when Willy comes to the Klark house to stop Brandy from having sex with Rusty, seducing Willy at the door and preventing him from immediately intervening.
Emma is Will's childhood best friend and the daughter of Richard and Miranda. She returns home because Richard is terminally ill, while struggling with Miranda and an unfaithful relationship with Aaron. After learning the truth about Aaron's crime, she has him arrested and eventually travels to San Francisco to find Will.
Unstable roommate who frequently changes jobs. Initially refuses to babysit Max, causing distress for Kim. Later, she enters a talent show and achieves success. Serves as a supporting friend navigating her own career and personal adjustments.
The eyewitness is a person approaching the bank who sees Frankie through a window and then notices James waiting in a car. She flees to a nearby store and calls the authorities, causing the police response to arrive sooner than the robbers planned and helping turn the heist into a siege.
Rachel Bilson has 30 screen credits in a career dating back to 1988. Signature works include The O.C., Hart of Dixie, Christmas at the Kringles. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.