Meridian Hill: The protagonist of the novel. Meridian is a young black woman from the South who becomes deeply involved in the Civil Rights Movement. Her journey is one of personal and political awakening, grappling with her own beliefs and the sacrifices required for the struggle for justice and equality.

Truman Held: A fellow activist and Meridian's love interest. Truman's relationship with Meridian is complex, marked by both passion and ideological conflicts. He struggles with his own commitment to the movement and his feelings for Meridian.

Lynne Rabinowitz: A white Jewish woman and another activist in the Civil Rights Movement. Lynne becomes involved with Truman, creating a love triangle that complicates the dynamics between the characters. Her presence in the movement and her relationships with both Truman and Meridian explore themes of race, privilege, and solidarity.

Anne-Marion Coles: Meridian's friend and a fellow activist. Anne-Marion's commitment to the cause and her sometimes contrasting perspectives with Meridian provide insight into the different approaches and philosophies within the movement.