Katherine Langford is an Australian actress. After appearing in several independent films, she had her breakthrough starring as Hannah Baker in the Netflix television series 13 Reasons Why, which earned her a Golden Globe Award nomination.
The Lightning Thief is a light-hearted fantasy about a modern 12-year-old boy who learns that his true father is Poseidon, the Greek god of the sea. Percy sets out to become a hero by undertaking a quest across the United States to find the entrance to the Underworld and stop a war between the gods.