Cassie Howard

Cassie Howard is introduced as East Highland's romantic idealist — a beautiful, emotionally open young woman whose deepest desire is to be loved. Raised by a single mother after her father left the family due to addiction, Cassie carries an abandonment wound that drives every relationship she enters. She gives herself completely and immediately, seeking in romance the unconditional love she lost as a child.

In Season 1, Cassie navigates a relationship with McKay that highlights her tendency to lose herself in her partners. Her unplanned pregnancy and subsequent abortion reveal the impossible pressures placed on young women who are simultaneously sexualized and shamed for their sexuality.

Season 2 transforms Cassie from a sympathetic figure into one of the show's most divisive characters. Her secret affair with Nate Jacobs — her best friend Maddy's ex-boyfriend — sends her into a spiral of self-delusion, desperation, and identity loss. Cassie literally remakes herself in Maddy's image, waking at 4 AM to perfect her appearance, convinced that if she becomes what Nate wants, she will finally be loved.

Sydney Sweeney's performance in Season 2 earned widespread critical acclaim for portraying Cassie's unraveling with both sympathy and unflinching honesty. Cassie's meltdown at Lexi's play, where her secrets are publicly exposed, is simultaneously devastating and darkly comic — a young woman whose entire constructed identity collapses in real time.