Sabrina is a driven pre-law senior at Briar University who works two jobs to support herself and escape her impoverished background. She lives in a cramped townhouse in South Boston with her grandmother and abusive stepfather. Highly ambitious, she strictly avoids emotional entanglements to focus entirely on her goal of attending Harvard Law School.

Tucker is a laid-back hockey player for Briar University from a small town in Texas. Unlike his teammates, he maintains a quiet, nurturing disposition and cooks for his roommates. He operates with patience and genuine care, actively seeking a meaningful relationship rather than casual hookups.

Dean is a wealthy, privileged hockey player who lives with Tucker, Garrett, and Logan. He views Sabrina as a toxic presence due to a past academic dispute and actively discourages Tucker from pursuing her. He dates Allie Hayes and struggles with grief following a sudden tragedy.

Ray is Sabrina's abusive and lecherous stepfather. He lives in the South Boston townhouse with Sabrina and her grandmother, adding to the toxic environment Sabrina desperately wishes to escape. His aggressive behavior continually threatens Sabrina's physical and psychological safety.

Hope is one of Sabrina's closest friends and confidantes. She frequently worries about the toll Sabrina's academic and financial stress takes on her health. She pushes Sabrina to relax and serves as a vital sounding board for her romantic anxieties.

Carin is Sabrina's other best friend, providing emotional support and a listening ear. She helps orchestrate social outings to force Sabrina out of her intense study routines. She attends a double date with Sabrina and ends up connecting with one of Tucker's teammates.

Nana is Sabrina's grandmother, who took over guardianship after Sabrina's mother left. She provides a roof over Sabrina's head but frequently undermines her with cutting remarks. Her love is conditional and tainted by bitterness over her own life circumstances.

Garrett is one of Tucker's housemates and a star hockey player for Briar University. He is in a committed relationship with Hannah Wells. He offers support to his teammates and participates in a competitive, lighthearted contest regarding Tucker's impending fatherhood.

Logan is another of Tucker's roommates and a fellow hockey player. He dates Grace Ivers and shares a tight bond with the rest of the house. He enthusiastically participates in a contest to prove his reliability to Tucker.

Mrs. Tucker is Tucker's mother, living in Patterson, Texas. She single-handedly raised Tucker after his father's death and expects him to return home after graduation to take over a local business. She holds high standards for her son and is deeply skeptical of his life choices in Boston.

Beau is the Briar University quarterback and a former fling of Sabrina's. He confirms to Tucker that he is no longer interested in Sabrina but warns him about her emotional barriers. He is well-liked on campus and maintains a close friendship with Dean.

Fitzy is a Briar University hockey player who frequently hangs out with Tucker. He goes on a double date with Tucker, Sabrina, and Carin, where he reveals a surprising talent for painting.

Hollis is a hockey teammate of Tucker's. He brings his friends to a western-themed strip club in Boston, inadvertently leading Tucker to discover Sabrina's second job.

Professor Gibson is Sabrina's academic advisor at Briar University. She offers pragmatic and encouraging advice regarding Sabrina's ability to balance her personal circumstances with the intense demands of Harvard Law School.

Joanna is Beau's sister, who recently quit her Broadway show to pursue a music career. She shares her brother's philosophy of prioritizing joy, which gives Sabrina a new perspective on her own life choices.

Brody is Hollis's brother, known for his sleazy reputation. He rents out a room in his Boston apartment, providing Tucker with a convenient living arrangement closer to Sabrina.

Amelia Fromm is a constitutional scholar from Harvard Law. She meets with Sabrina and advises her to use loan money to upgrade her wardrobe, which exposes the socioeconomic divide between Sabrina and her peers.

Kam is Sabrina's supervisor at the post office in South Boston. He demands that she complete her shift despite her visible illness, showing little regard for her well-being.

Sheena is Tucker's ex-girlfriend. They remain friendly, and she provides him with background information about Sabrina's dating habits and academic focus.