Sebastián is Lydia's husband, a principled journalist who is murdered after publishing an exposé on Javier, a cartel leader. He is dedicated to his family and his work, prioritizing truth and free press.

Luca is the young son of Lydia and Sebastián. At eight years old, he possesses remarkable geography skills and maturity beyond his years. He is a constant source of support for his mother during their perilous journey.

Javier, also known as The Owl, is the antagonist of *Lydia*. He is the leader of the Los Jardineros cartel, charming and erudite, but also ruthless and violent.

Lorenzo is a 17-year-old sicario for Los Jardineros. He has a complex relationship with Lydia and Luca, showcasing both menace and a desire to leave the cartel behind.

Rebeca and Soledad are Ch’orti sisters from Honduras. They are brave and resourceful, forming a bond with Lydia and Luca as they navigate their dangerous journey.

Beto is a 10-year-old deportee from Tijuana, who displays generosity and a desire to help the group. He shares Luca’s maturity and knowledge, particularly regarding immigration matters.

Juan Pedro, known as El Chacal, is a seasoned and reputable coyote. He is committed to safely guiding migrants across the desert and grapples with the challenges posed by cartels.