Elizabeth is the daughter of a prominent New York general, growing up with relative privilege in Albany. She possesses a strong sense of justice and empathy, directing her attention toward the suffering soldiers of the revolution. Often feeling plain compared to her sisters, she values practical contribution over societal frivolousness. Her patriotism draws her to the war effort and ultimately to the ambitious Colonel Alexander Hamilton.

Hamilton is a brilliant, highly ambitious soldier serving as General George Washington’s aide-de-camp. Born into poverty in the Caribbean, he relies on his formidable intellect and writing skills to elevate his station in America. He seeks military glory and fears his lack of wealth makes him an unsuitable match for Elizabeth.

Monroe is a young Virginia soldier and patriot who serves as a major in Lafayette’s forces. He shares a pleasant early conversation with Elizabeth about the cause of independence. His mild-mannered Southern upbringing contrasts heavily with Elizabeth's blunt, headstrong declarations.

Angelica is Elizabeth’s older sister, known for her striking beauty, charm, and sharp intellect. She lives near the military camps following her elopement with an Englishman. She projects intense confidence and freely offers her younger sister advice about courtship and high society.

Phillip is a wealthy general in the Continental Army and the patriarch of the Schuyler family. He faces early accusations of treason following his daughter's elopement but remains deeply committed to the American cause. He commands respect from both his family and major military figures like Washington.

Peggy is Elizabeth's spirited younger sister. She enjoys the attention of soldiers and possesses a lighthearted, traditionally feminine charm. She frequently clashes with Elizabeth over her flirtatious behavior with prisoners of war.

Catherine is the matriarch of the Schuyler family, hailing from a prominent Dutch family. Despite her physical frailty during wartime pregnancies, she provides crucial emotional support. She readily offers forgiveness to her daughters when they make controversial choices.

Lafayette is a young, passionate French soldier who volunteers for the American cause. He is intensely loyal to George Washington and suspicious of plots against the commander-in-chief. He brings the Schuyler family into his confidence during a dinner in Albany.

Washington is the commander-in-chief of the Continental Army. He carries the heavy burden of the war effort and relies on his aides, particularly Hamilton, to manage complex correspondence. He holds the Schuyler family in high regard and welcomes them to his camp.

Martha is the wife of General Washington and an active participant in camp life. She acts as a mentor to younger women at the Morristown camp. She advises them on how wives can support the revolution by encouraging and managing their husbands.

Arnold is initially presented as the hero of the Battle of Saratoga and a trusted friend of the Schuyler family. He actively facilitates connections between military leaders and the Schuylers in Albany. His actions later bring political complications to the family.

Kitty is a young woman who accompanies Elizabeth to visit the military encampment. She actively participates in the gossip surrounding the officers. She specifically warns Elizabeth about Hamilton's reputation as a rake.

Laurens is a soldier in the Continental Army and an intimate confidant of Hamilton. The two men share a profound bond forged in the fires of the revolution. Hamilton speaks of him frequently and with great reverence.

Burr is a colonel who fought alongside Hamilton during the war. He is charming and quickly strikes up an acquaintance with the Schuyler family. He presents himself as a polite and politically engaged military man.

Theodosia is the wife of Aaron Burr. She is a source of camp gossip and faces scrutiny due to her previous marriage to a British officer. She finds camaraderie with Elizabeth as they navigate the social pressures of the military encampments.