LaRose is the youngest child of Landreaux and Emmaline Iron. Following a tragic accident, his parents give him to the Ravich family to make amends for a death. He possesses a calm demeanor and instinctively understands traditional Ojibwe practices, helping to anchor the adults around him.

Emmaline is the mother of the Iron family and a dedicated teacher at the reservation school. She reluctantly agrees to give her youngest son away to honor an old tradition and prevent bloodshed. She rarely displays intense emotion, acting instead as a steadying figure for her household.

Landreaux fights past trauma from the boarding school system and battles a lingering opioid dependency. Desperate to atone for accidentally shooting his neighbor's son, he turns to traditional Ojibwe practices. He willingly sacrifices his place in his youngest son's daily life to heal the broken Ravich family.

Nola is Emmaline's half-sister and a woman utterly consumed by grief following the loss of her child. She battles severe depression and terrifying obsessive behaviors, pushing away her remaining family members. She clings to her new surrogate son as her only reason to continue living.

Peter works to hold his family together while managing his wife's deteriorating mental state. He accepts the arrangement with the Irons out of pure desperation, hoping it will stop his wife from harming herself. He frequently retreats into survivalist planning to maintain a sense of control.

Maggie is a teenager who resents her mother's erratic grief and strict punishments. She acts out in anger at school and at home, trying to process her brother's sudden death. Despite her initial hostility, she becomes fiercely protective of her new surrogate brother.

Romeo is a childhood friend of Landreaux who now holds a bitter grudge over an injury that left him physically disabled. He works menial maintenance jobs while nursing a pill addiction. He spends his time gathering secrets from the community, waiting for an opportunity to strike at his former friend.

Father Travis is a scarred ex-Marine who serves as the reservation's Catholic priest. He runs martial arts classes and recovery groups for the community. He provides counsel to grieving families while quietly managing his own wartime trauma.

Snow is one of the older Iron children, fiercely loyal to her siblings and deeply involved in school volleyball. She operates as a unit with her sister Josette, relying on traditional stories and humor to cope with the disruption in their home.

Josette is Snow's sister and constant companion, sharing her interest in sports and family traditions. She watches military news closely and harbors unspoken feelings for her adoptive brother, Hollis.

Coochy is the older brother of LaRose. He feels overshadowed by the tragedy and the constant attention directed at his absent younger brother.

Hollis is the biological son of Romeo Puyat but lives full-time with the Irons, who treat him as their own. He excels at practical engineering tasks and seeks the structure of the military to distance himself from his biological father.

Dusty is the young son of Peter and Nola, and the best friend of LaRose. His sudden death triggers a massive psychological crisis across two households.

Mrs. Peace is Emmaline's mother and a respected elder who lives in a local care facility. She suffers from chronic pain but refuses sedatives, preferring to preserve the history of the women in her family who share her name.

Wolfred is an assistant to a cruel white trader in 1839. Disgusted by his employer's actions, he risks his life to rescue a captive Ojibwe girl.

The First LaRose is an Ojibwe teenager forced to survive terrible abuse from a white trader. She learns English and survival skills, eventually escaping to begin the matrilineal passing of her name.

Mackinnon is a vicious 19th-century white trader who purchases and exploits an Ojibwe girl. His cruelty sets off a chain of events that permanently marks the region's history.

Buggy is the ringleader of a gang known as the Fearsome Four. He targets vulnerable students and relies on intimidation to maintain control at school.

Waylon is a quiet, observant student who notices Maggie's distress. He offers her physical protection and a non-judgmental space away from her family's trauma.