A military veteran living entirely off the grid in a remote woodland cabin. He suffers from post-traumatic stress disorder following his service in Afghanistan. He exhibits extreme vigilance and prioritizes the protection and isolation of his eight-year-old daughter above all else. He possesses strong wilderness survival skills but struggles with socialization.

An eight-year-old girl raised entirely in an isolated cabin. She possesses an advanced vocabulary from reading 19th-century literature and displays strong wilderness instincts. Despite her secluded upbringing, she retains a natural curiosity and growing desire for human connection.

A military veteran and the only neighbor living near the isolated cabin. He routinely visits Cooper and Finch, offering small gifts and supplies. He speaks with biblical phrasing and displays an unusual comfort with the harsh realities of nature.

A recently divorced school librarian fulfilling an obligation to her brother. She steps far outside her comfort zone to deliver winter supplies to the remote cabin. She brings a grounding, conventional perspective to the isolated family unit.

An Army Ranger who served alongside Cooper in Afghanistan. He owns the woodland property where the cabin sits and serves as the sole external lifeline for its inhabitants, ensuring they have what they need to survive the winters.

Cooper's late partner and Finch's mother. She had a strong affinity for animals, once attempting to raise orphaned squirrels on a farm. Her absence shapes the entire trajectory of her family's current situation.

Cindy's father, who works as a local judge. He holds strict views on acceptable behavior and consistently doubts Cooper's suitability as a parent. He uses his professional influence to seek legal control over his granddaughter's upbringing.

Cindy's mother. She attempts to provide domestic support in the immediate aftermath of her daughter's death but ultimately aligns with her husband in pursuing formal custody arrangements for her grandchild.

A seventeen-year-old photographer exploring the remote wilderness. Her presence on the restricted land draws significant attention and threatens the carefully maintained isolation of the cabin.

A young man who accompanies Casey into the woods. He exhibits hostile behavior during disputes, introducing a sudden element of danger to the wilderness setting.

A local law enforcement officer. He displays routine diligence by checking on child safety laws and conducting missing person inquiries in remote areas.

A conversational gas station attendant. She possesses an excellent memory for vehicles and attempts to engage her rare customers in friendly dialogue.

A physician at the Veterans Affairs hospital who treats returning soldiers. He teaches basic grounding techniques for managing trauma responses.

Cooper's late aunt who owned a rural farm. She possessed strong practical skills and taught her nephew about woodland realities.