Ali is the pragmatic and slightly anxious eldest child of Annie and Bill who transitions abruptly from childhood to adulthood, taking on the role of caregiver for her family after her mother's death while balancing middle school challenges.

Annie’s best friend since elementary school, who battled substance use disorder and views Annie as a savior in her life. She struggles to maintain sobriety after Annie’s death and faces a challenging personal journey.

Annie's husband and father of four, who struggles with grief and redefines his life as a single parent in the wake of Annie's death, ultimately embracing his role and reengaging with his children.

Bill's controlling and manipulative mother, who often acts antagonistically and opposes Annie. Her behavior underscores complicated family dynamics and the need for emotional boundaries.