Infinity Train - Characters & Cast

Originally driven by a desperate need to reach game design camp, her motivation shifts to restoring the train's order and helping her companions, Atticus and One-One.

Initially a logical but self-absorbed teen fleeing her parents' divorce, Tulip learns to embrace emotional uncertainty. She moves from trying to "solve" the train like a game to understanding it as a journey of empathy.

Her primary drive is survival and freedom from the Reflection Police (Flecs) and the train's deterministic rules.

A reflection who gains sentience and escapes the Mirror World. Her arc is a harrowing struggle for recognition as a person rather than a reflection, eventually renaming herself Lake to cement her autonomy.

Initially searching for his "mother," his motivation becomes the efficient maintenance of the train's therapeutic mission.

A robot split into two personalities (Glad-One and Sad-One) representing optimism and nihilism. He eventually regains his position as the Conductor, becoming a more stable but still emotionally detached guardian of the train.

Starts with a desire for power and validation, which evolves into a humble effort to undo her mistakes and protect the children she misled.

The charismatic leader of a cult (The Apex) that believes high numbers are a sign of divinity. Her arc is one of radical deconstruction as she realizes the harm she has caused and begins the grueling process of true redemption.

Driven by a crippling fear of abandonment and a need for absolute control over his reality, leading him to reject any truth that challenges his ego.

A former companion of Grace who falls into a downward spiral of denial. Unlike other characters, Simon refuses to change, becoming more murderous and delusional until his trauma completely consumes him.