A friend of April's who assumes a public intellectual role and grapples with the personal cost of fame and identity in the social media age. His journey is marked by his engagement with the Altus platform.

A character driven by her dedication to uncover the truth about April's disappearance. She values privacy but becomes a key player in the resistance against a powerful corporation.

A PhD student whose curiosity and ethical concerns drive her to investigate Altus's technology. Her intelligence and scientific expertise play a crucial role in the story's progression.

An alien intelligence that operates through distributed consciousness and supports human agents like April. Carl's interactions with the characters provide cosmic insight and ethical challenges.

A charismatic antagonist who uses public fear for personal gain and leads the technological empire known as Altus. His ambitions highlight the dangers of centralized power and influence.