Mr. March is a 39-year-old vegetarian and non-denominational chaplain serving Union soldiers. Once a wealthy New England investor, he drains his fortune financing radical abolitionist projects before the war. He constantly reflects on his moral duties but frequently feels paralyzed by self-doubt and fear when faced with physical danger. His idealism often clashes with the harsh realities of wartime survival.

Marmee is Mr. March's wife and an outspoken advocate for abolition and women's rights. She possesses a fiery temper and refuses to conform strictly to traditional gender expectations. Living in Concord, she manages the household and a secret runaway shelter while her husband is at war. She deeply loves Mr. March but resents his impulsive financial decisions.

Grace is an elegant, highly intelligent woman who lives as a slave on the Clement plantation during her youth. She orchestrates secret literacy lessons for the enslaved children, absorbing severe physical punishment when the operation is discovered. Two decades later, she works as a nurse in a Union hospital. She maintains a blunt, unsentimental approach to survival and personal independence.

Ethan Canning is an attorney from Illinois who leases the Oak Landing plantation to grow cotton for the Union. Walking with a limp, the young manager faces immense pressure to produce a profitable harvest. He initially treats his liberated workers with severe harshness, prioritizing crop yields over human welfare.

Zannah is a resilient worker at the Oak Landing plantation. She lost her ability to speak following a violent assault by two white men, forcing her to communicate entirely through gestures. She focuses heavily on the survival of her young son in a highly dangerous environment.

John Brown is a charismatic, radical abolitionist who travels through New England seeking financial backing for his operations. He aims to expand his hidden transportation network and incite direct rebellion against slaveholders. His absolute certainty commands attention and charms local audiences.

Jesse is a prominent leader among the workers at the Oak Landing plantation. He excels in Mr. March's literacy classes and demonstrates sharp tactical intelligence during crises. He understands the lethal realities of the Southern woods far better than his Northern teachers.

Henry David Thoreau is an intellectual living in Concord, Massachusetts, who deeply prefers the woods to human society. After the death of his brother, he withdraws from the family business to focus on nature and philosophy. He routinely rejects societal expectations regarding wealth and industry.

Mr. Clement is a wealthy Southern plantation owner who prizes classical literature and philosophy. He presents a veneer of aristocratic politeness that thinly masks his violent, racist ideology. Decades later, he suffers a complete physical and mental collapse.

Beth is one of the March family's daughters. Typically quiet and reserved, she displays surprising fortitude when the family's secret abolitionist work is threatened. She easily internalizes her father's teachings about divine equality.

Jimse is Zannah's young son at the Oak Landing plantation. He endures terrible suffering after a callous Union soldier tricks him into grabbing a scalding kettle.

Ptolemy is an elderly former slave who serves as an assistant in the main house at Oak Landing. Despite his advanced age, he demonstrates absolute selflessness when armed men arrive at the property.

Surgeon Hale is a medical officer managing care at the dilapidated Blank Hospital. He provides Marmee with grim assessments of her husband's health and later takes a direct role in treating Mr. March.

Silas Stone is a young, inexperienced Union soldier fighting in Virginia. He panics upon realizing he cannot swim during a chaotic river retreat, leading to a tragic incident that permanently scars his chaplain.

Zeke is a laborer at Oak Landing who takes desperate measures to feed his family. He slaughters one of the plantation's pigs, resulting in severe punishment from the management.

Flora is a pregnant, teenage runaway slave traveling the Underground Railroad. She suffers from severe open wounds on her feet from her long journey north to Canada.

Aunt March is an elderly, conservative relative of the March family. She possesses wealth but lacks empathy, frequently criticizing Mr. March's abolitionist commitments and Marmee's progressive ideals.

Mr. Brooke is a young family friend of the Marches. He provides practical assistance and safety by escorting Marmee on her difficult journey to locate her ailing husband.