An amnesiac Ina child who appears human, possesses dark skin as a result of a genetic experiment, and requires human blood to survive. She discovers her identity and history after escaping a massacre.

Shori's human companion who helps her escape and acts as her emotional anchor and primary source of sustenance. He is protective but out of his depth in the Ina world.

A human woman who arrives at the Gordon compound to join Shori's household, confessing strong, unexplained feelings for her.

A man who shot Shori and was later tracked down by her, broken into, bitten, and interrogated in his home.

A man mentioned who shot Shori and nearly killed Wright; he was severely drained of blood by Shori in retaliation or feeding.

Shori's father who survived the initial massacre but is deeply protective and territorial. He explains Ina biology and dangers to Shori before reluctantly letting her leave with Wright.

Shori's brother who was killed in a daylight raid. Shori discovers from his remains that he managed to fight back despite being sluggish during the day.

Stefan's human symbiont who was part of the search party for Shori and was killed and eaten by a starving, mad Shori in the cave.

A dark-skinned woman working in the kitchen at the Ina community who recognizes Shori.

Stefan's grieving human symbiont who joins Shori after Stefan's death. She initially struggles to accept Shori's bite due to her intense bond with Stefan.

A woman working in the kitchen at the Ina community.

A human symbiont formerly bound to Iosif for twenty-two years. After Iosif's death, she travels with Shori, providing critical exposition about Ina history and navigating them to the Gordon family.

An older, polite Ina with a British accent who leads the questioning of Shori's group. He respectfully offers Shori a new human symbiont to help manage her affairs.

An Ina of the Gordon family who greets Shori's group upon their arrival at Punta Nublada. He confirms he does not believe Shori murdered her own families.

A young human who agrees to join Shori's newly forming family, offering his wrist to her for the first time.

A human raider hired to attack the Gordons. Shori subdues him, bites him to ensure cooperation, and brings him in for questioning.

An Ina who questions Victor, provides Shori with Ina history books, and discusses the implications of her amnesia and Daniel's feelings for her.

The patriarch of the Silk family, informed over the phone by Preston that his family must face a Council of Judgment.

A former high-school history teacher who organizes the complex guest preparations for the visiting Ina families.

Shori's maternal grandfather who initially pities her but apologizes after learning she successfully fought off attackers.

Joan's gentler sister who prepares Shori for the likelihood that the Council will dissolve the Silk family rather than execute them.

A member of the Silk family who denies all involvement in the murders, displaying utter hatred toward Shori when sentenced.

An Ina who lies about her symbiont Jack Roan murdering Theodora. She rejects her punishment and attempts to shoot Shori with a rifle.

One of the Westfall symbionts who danced with Theodora shortly before she was murdered.

Katharine Dahlman's symbiont who acts as the murderous tool to kill Theodora.