A key Union general who works alongside Lincoln to win the Civil War and shares his vision for a reconciled nation. Known for his quiet demeanor and the crucial role he plays in the eventual Union victory.

The commander of Confederate forces, known for his strategic expertise and Southern charm. Despite his efforts to outmaneuver Union forces, he faces significant challenges.

A well-known actor and Confederate sympathizer with strong opposition to Lincoln's policies, particularly the emancipation of slaves. He is central to a conspiracy that has far-reaching implications.

One of Booth's co-conspirators, previously a pharmacy clerk, involved in assisting with the conspiracy's logistics. He shares close involvement with Booth’s plans.

A former Confederate soldier and spy who becomes involved in Booth’s plot. Known for his tumultuous past and his participation in a key aspect of the conspiracy.

A carriage repairer recruited by Booth with knowledge of smuggling routes, initially unaware of the true nature of their plans. His role becomes defined by his last-minute change of heart.

A well-known physician who provides unwitting assistance to Booth and Herold. His involvement is a result of offering medical help, leading to significant consequences.

A Confederate sympathizer who provides critical support to the conspirators from her boardinghouse, indirectly facilitating their activities. Her arrest highlights the wide net cast during the ensuing investigation.