Simon

A psychology professor who is hijacked by the Institute's plan and subjected to mind-altering experiments. His evolution from isolation tank experiment to a public celebrity triggers a crisis of identity, as his supposed origins and abilities are planted by the scientists. He begins to reenact the entire history of life as a manifestation of his emerging vulnerability and power.

Simon's girlfriend who believes in his humanity and resilience. She travels with him while trying to ground him in reality, eventually revealing her pregnancy to anchor their future. Her loyalty and love provide the emotional counterweight to the scientists' manipulation.

Head of the Institute who orchestrates the plan to weaponize Simon's supposed alien origin. He excuses unethical experiments with a sense of scientific progress, but his actions ultimately trigger a desperate response from the military and Lisa. Becker's arrogance and fear drive the climax.

The Institute's sentient or semi-sentient computer that conducts a national search for an asset to exploit. It serves as the operational brain behind the scheme, orchestrating broadcasts and data gathering.

Military commander who helps coordinate the rocket launch meant to remove Simon from the scene, reflecting the government's readiness to erase perceived threats.

Leader of the commune that reveres television as a sacred object and broadcasts from a high-powered transmitter. The commune embodies a satirical critique of mass media's influence on belief and community.