Maame is an enslaved servant whose traumatic experiences initiate the split in her family line. She gives birth to two daughters by different men in separate regions of Ghana, leaving each daughter with a distinctive black and gold stone pendant. She fears fire deeply and later appears in the dreams of her descendants.

Effia grows up in a Fante village under the abusive care of her stepmother. Known as "Effia the Beauty," she attracts the attention of a British officer and marries him, moving into the Cape Coast Castle. She lives in relative comfort above ground, acutely aware that enslaved people are held in the dungeons beneath her.

Esi is a young Asante woman who enjoys a happy childhood as the daughter of a respected chief. Her life changes violently when her village is raided and she is sold to British slave traders. She relies on memories of her mother and stories from fellow captives to survive the horrific conditions before being shipped to America.

Quey is the bi-racial son of a Fante woman and a British officer. Educated in England, he resents his forced involvement in the slave trade and feels disconnected from both his British and African heritage. He bends to the political pressures of his powerful uncle, sacrificing his personal desires for the sake of family duty.

Ness is an enslaved woman working in the American South. She bears severe scars from past punishments and maintains a stoic, distant demeanor to protect herself from further emotional pain. She quietly cares for a mute young girl on the plantation and holds tight to fragmented memories of her mother speaking Twi.

James is the son of Quey and an Asante princess. He possesses a keen understanding of the political dynamics driving the slave trade and strongly wishes to disassociate himself from his family's wealth. He falls in love with a peasant girl and searches for a way to break free from his arranged marriage and royal obligations.

Kojo is a free Black man living in pre-Civil War Baltimore. He works as a skilled ship caulker and provides for his large, growing family. Having escaped slavery as an infant, he lives with the constant fear of being captured and returned to the South, a fear that intensifies with the passing of the Fugitive Slave Act.

Abena is a young woman who fears she has inherited her father's bad luck. She feels restricted by her poverty and the village's negative perception of her family. Seeking more out of life than waiting for a reluctant suitor, she desires to travel to Kumasi and connect with her royal Asante heritage.

H is a physically massive man born into slavery and later arrested under false pretenses. He is leased out to work in the dangerous coal mines of Alabama, where he shovels thousands of pounds of coal daily. He channels his aggressive energy into learning the mining trade and fighting for better conditions as a unionized free laborer.

Akua is a young mother who grew up in a Christian missionary school after her mother died. She suffers from severe insomnia and is constantly haunted by terrifying dreams of a woman made of fire. Her declining mental health isolates her from her husband and the rest of her village, prompting her to seek guidance from a local fetish man.

Willie is a talented singer who moves from Pratt City to New York City during the Great Migration. She faces intense colorism in Harlem, which prevents her from finding work as a jazz performer. She turns to domestic work to support her children and eventually finds her voice and community in a local church.

Yaw is a highly educated teacher and writer seeking to promote African independence. He bears severe burn scars on his face from a childhood fire, which makes him self-conscious and prone to isolation. He encourages his students to question dominant historical narratives while struggling to process his own deep-seated anger toward his estranged mother.

Sonny is an angry, impassioned activist working for the NAACP in Harlem. He is deeply frustrated by systemic racism and the slow pace of the civil rights movement. He resents his mother for keeping secrets about his absent father and uses heroin to numb his feelings of powerlessness.

Marjorie is a thoughtful teenager who splits her time between her high school in Alabama and summers with her grandmother in Ghana. She feels like an outsider in both places, struggling to fit in with her American peers while feeling disconnected from full Ghanaian identity. She is deeply connected to her family's heritage and carries the black and gold stone necklace passed down through her ancestors.

Marcus is a graduate student at Stanford University researching the history of the convict leasing system. He lives with a profound fear of water that ties back to the generational trauma of the slave trade. He relies on the support of his father and grandmother to pursue his academic work, eventually finding clarity through his friendship with Marjorie.

Cobbe is a Fante village leader who rapes his servant, Maame, resulting in the birth of Effia. He commands his first wife to raise Effia and fears the consequences of the village fire. He reluctantly agrees to marry Effia to a British officer to secure trade benefits for his village.

Baaba is Cobbe's first wife and Effia's abusive stepmother. She resents Effia's origins and regularly beats her with objects like cooking spoons. She schemes to hide Effia's physical maturation so she can arrange a highly profitable marriage with the British rather than the local chief.

Fiifi is Effia's half-brother who grows up to be a powerful and physically imposing village leader. He orchestrates raids to capture enslaved people and manipulate alliances. He pressures his nephew Quey to marry an Asante princess to secure political power.

James is a British officer who oversees operations at the Cape Coast Castle. He marries Effia and provides her with a comfortable life above the dungeons, though he keeps a separate family in England. He strictly forbids traditional African practices in his quarters.

Big Man Asare is an Asante chief and Esi's father. He feels constant pressure to build his reputation through violent raids and taking prisoners. While he loves his family, his harsh discipline of a captured servant sets off a chain of events that destroys his home.

Abronoma is an enslaved woman captured by Big Man's village. She holds deep resentment toward her captors after facing physical punishment for minor mistakes. She manipulates young Esi into helping her contact her father, sparking a devastating raid.

Sam is an enslaved man who vehemently fights his captivity, refusing to learn English and attacking overseers. He forms a deep, protective bond with Ness after she takes the blame for his destructive actions, eventually planning a desperate escape attempt.

Ma Aku is a woman who retains her knowledge of the Twi language and recognizes Ness's Asante origins. She orchestrates a flight from the plantation, successfully carrying infant Kojo to safety and raising him as her own in Baltimore.

Anna is Kojo's pregnant wife, born to an enslaved mother and a master but living as a free woman. She creates a loving, bustling home for their many children before tragedy strikes their family on the streets of Baltimore.

Ohene is a successful farmer who strings Abena along for years with unfulfilled promises of marriage. He focuses heavily on his prosperity, eventually bringing valuable cocoa seeds to the village to secure his wealth.

Ethe is a proud woman who leaves H after he calls her by another woman's name. She eventually reads his letter from Pratt City and decides to reunite with him, cooking dinner in his newly built house.

Robert is Willie's light-skinned husband. After they move to New York City, he discovers the social advantages of passing as a white man. He eventually abandons Willie and their life in Harlem to assimilate fully into white society.

Esther is a straightforward, caring woman who cooks and cleans for Yaw. She cuts through his emotional defenses by speaking Twi and encourages him to confront his past. She fiercely defends him against village gossip.

Amani is a captivating jazz singer who enchants Sonny with her voice. She hides a severe heroin addiction behind her glamorous stage persona, eventually pulling Sonny into her destructive lifestyle in West Harlem.