Alex's mother, who struggles with schizophrenia, often leaving Alex to fend for himself. Her background includes Filipino heritage and a history of leaving her children unattended due to her mental health issues.

Alex’s older brother living in Los Angeles, initially detached from the family, who gradually becomes more involved in caring for Alex and their mother. His career distracts him from family matters until circumstances push him to take on a more central role.

Alex's loyal dog who accompanies him on the start of his journey. The dog provides companionship and becomes a symbol of comfort and hope for Alex.

A traveler Alex meets on the train, who becomes a mentor figure in Alex's life, introducing him to meditation and supporting his quest. Zed represents new perspectives and balance.

Zed's roommate, who initially appears focused on trivial or business matters but later shows growth in caring for Alex. He provides transport and companionship on parts of Alex's journey.

Alex's half-sister living in Las Vegas, who is initially impulsive and seeks connection with Alex upon meeting him. Her interactions with Alex inspire a quest for more meaningful goals in her life.