A 37-year-old successful dermatologist who suffers a devastating traumatic brain injury after being shot in her apartment. The injury leaves her with severe amnesia, physical dependency, and hemispatial neglect, rendering her unable to perceive the left side of her world. She works through a daunting rehabilitation process to piece together her fragmented memories and reclaim her functional independence.

A handsome, confident attorney who relentlessly pursues Charlotte despite her initial professional reservations. He sweeps her into a whirlwind romance and marriage shortly after they meet. Following her traumatic brain injury, he struggles with patience and displays discomfort regarding her physical limitations and dependency.

A traumatic brain injury patient at the rehabilitation facility recovering from a severe fall down a flight of stairs. He uses a wheelchair and struggles with ataxia, which affects his balance and coordination. Despite his physical challenges, he maintains a sarcastic, playful exterior and forms a genuine connection with Charlotte.

Charlotte’s mother, who initially places heavy societal pressure on her daughter to marry and start a family. After the shooting, she transitions into the role of an overwhelmed and worried caregiver who spends significant time at the hospital, though she openly acknowledges her inability to provide long-term physical care.

Charlotte's pragmatic and loyal best friend. A new mother, she frequently encourages Charlotte to focus on her social life and biological clock. She serves as a strong link to Charlotte's successful, independent life prior to the brain injury.

The disgruntled husband of one of Charlotte's former patients. He aggressively confronts Charlotte in a waiting room, blaming her for his marital problems and establishing himself as a volatile presence in her pre-injury life.

A patient and encouraging speech therapist at the rehabilitation facility. She works closely with Charlotte to help her reclaim her language, swallowing function, and cognitive skills, openly celebrating even the smallest verbal breakthroughs.

A pragmatic occupational therapist tasked with helping Charlotte relearn basic daily living skills, such as dressing and bathing. She is blunt about the reality of Charlotte's severe deficits but dedicated to finding practical solutions.

A physical therapist at the rehabilitation center who oversees Charlotte's mobility training. She guides Charlotte from her initial struggles at the parallel bars to her first terrifying attempts to use a hemi-walker.

A stroke patient at the rehab facility who becomes one of Charlotte's closest friends. Outspoken, witty, and unflinchingly honest, she provides cynical humor and helps build a sense of community among the recovering patients.

Jamie's six-year-old son. He is the center of his father's world and serves as Jamie's primary motivation to push through the grueling physical rehabilitation process.

Jamie's ex-partner and the mother of his son, Sam. She has a history of severe substance issues, which previously led Jamie to gain full custody. She returns claiming sobriety and demanding visitation rights.

Charlotte's primary physician at the rehabilitation center. He manages her overall medical care, tracks her neurological plateaus, and must deliver difficult news regarding her long-term prognosis and insurance coverage.

Charlotte's rescue cat. Adopted off the street, she is a comfort to Charlotte but immediately senses tension with Clark, who dislikes that she is not declawed and views her as a nuisance.

The police officer assigned to investigate Charlotte's shooting. He questions her family, pieces together the physical evidence from the crime scene, and attempts to interview Charlotte as her memory slowly returns.

One of Charlotte's dermatology patients who awkwardly asks her out to dinner. After she declines due to professional ethics, he feels slighted and later confronts her aggressively when he sees her with Clark.

An elderly German patient in Charlotte's therapy group. A former jeweler, she possesses specific professional knowledge that gives her unique insight into the material objects around the other patients.

A crotchety, 93-year-old retired psychiatrist recovering in the rehab facility. He lacks a filter and freely offers unsolicited analytical opinions about the lives and circumstances of the people around him.