Toby is a pragmatic survivor who manages the AnooYoo Spa following a difficult past. Orphaned and stripped of her previous life, she endures severe abuse at a fast-food chain before seeking refuge with the God's Gardeners, an environmentalist group. She struggles to accept their strict doctrines but utilizes her knowledge of holistic healing to become a valuable member of the community.

Ren is a young trapeze dancer at Scales and Tails who survives a catastrophic plague by remaining locked in a quarantine room. Originally raised in the affluent HelthWyzer Compound, she is uprooted when her mother runs away to join the God's Gardeners. She often feels invisible and desperately seeks love, relying on stronger figures to offer her guidance and protection.

Adam One is the devout founder of the God's Gardeners. He champions a pacifist, deeply ecological theology that urges followers to live in harmony with nature and prepare for a prophesied Waterless Flood. He provides shelter to the desperate but remains steadfast in his strict moral doctrines.

Blanco is a ruthless manager at the mob-run SecretBurger chain. A former strip club bouncer, he is deeply vindictive and uses his physical intimidation to exploit vulnerable women. His sadistic nature makes him a lingering threat to those who escape his control.

Amanda is an orphaned refugee from Texas who joins the God's Gardeners after surviving extreme hardship. Resourceful and tough, she frequently tests boundaries and uses her street smarts to survive. She forms a deep bond with Ren, acting as the more dominant half of their friendship.

Zeb is a physically imposing instructor among the God's Gardeners. Unlike the pacifist Adam One, Zeb believes in taking aggressive measures against the corrupt Corporations. He possesses a mysterious past and frequently leaves the safety of the Garden to gather intelligence.

Glenn is an intelligent student from the corporate Compounds. He acts as an inside contact for the Gardeners, helping them smuggle materials and information. Highly rational and interested in genetic splicing, he views the world through a deeply analytical lens.

Lucerne is Ren's mother, a beautiful woman who abandons her wealthy Compound lifestyle for a passionate affair with Zeb. She struggles to adapt to the ascetic life of the God's Gardeners. She remains highly self-involved, frequently prioritizing her romantic entanglements over her daughter's well-being.

Jimmy is a student at the HelthWyzer Compound who bonds with Ren over their shared sense of isolation. Dealing with his own family trauma, particularly a missing mother and a disconnected father, he uses humor to mask his sadness.

Mordis manages the Scales and Tails strip club. Operating within the corrupt SeksMart, he maintains a strict environment for his dancers, treating them with a paternal care that contrasts with the harshness of the outside world.

Pilar is a wise elder among the God's Gardeners holding the rank of Eve Six. She holds vast knowledge of natural remedies, botany, and the spiritual connection between humans and the earth, passing this wisdom down to Toby.

Bernice is a devout Gardener child who initially acts as Ren's closest peer. She is deeply committed to the group's rules and becomes fiercely jealous when Amanda arrives and monopolizes Ren's attention.

Burt is an Adam among the Gardeners who teaches Garden Botanics. Despite his outward piety, he behaves inappropriately toward young girls and secretly uses Gardener property to cultivate an illegal drug operation.

Veena is Bernice's mother, often found in a depressed or withdrawn state that the Gardeners respectfully term Fallow. She harbors deep resentment toward her husband's illicit activities.

Frank is Ren's biological father, a scientist working for the powerful HelthWyzer Corporation. He is highly focused on his work, treating his family with a detached demeanor.

Nuala is an Eve among the Gardeners known for her flirtatious nature. She handles various community tasks but is frequently the subject of gossip regarding her romantic entanglements.

Shackie is one of the older boys growing up in the Gardener compound. He often acts tough, treating scavenging missions as an excuse to behave like a street gang.

Croze is another boy raised among the Gardeners who frequently partners with Shackie. He transitions from a mischievous youth into a hardened survivor.

Rebecca is a kind-hearted woman who works alongside Toby before escaping to join the God's Gardeners. She acts as a welcoming presence, helping Toby adjust to the strange new world of the rooftop community.

Wakulla is a student at the HelthWyzer Compound who helps Ren adjust to her new school environment. She is well-liked by her peers and is the object of Jimmy's persistent affection.

Dora is a formerly optimistic employee at SecretBurger whose spirit is completely broken by Blanco's relentless abuse. Her tragic experience serves as a warning to the other female employees.