Percy Jackson Season 3 Lands TV Heavyweights as Atlas and Two Pivotal Roles

Season 3 of Percy Jackson and the Olympians is loading up on heavy hitters: a Titan, a strict headmaster with secrets, and Annabeth's dad. That lineup tells you exactly where the Disney+ series is headed next.

Who just joined the cast

• Holt McCallany (Mindhunter) will recur as Atlas, also known as the Bearer of Heaven. Deadline reports he is the main villain of Season 3 and not just a one-and-done threat.
• David Costabile (Breaking Bad) is set to recur as Dr. Thorn, a by-the-book military academy headmaster who worships discipline and obedience. If you know the novels, you know that name is a human mask for something mythological, but the show is keeping those specifics quiet for now. In the books, Percy crosses paths with him early while trying to recruit powerful demigods to Camp Half-Blood.
• Jesse L. Martin (Rent) is playing Frederick Chase, Annabeth's father. He is a brilliant military historian and a mortal Athena chose to raise her daughter. Their relationship has been complicated, and Season 3 plans to dig into their attempt to reconnect.

Atlas: the big swing

In Greek mythology, Atlas was punished by Zeus to hold up the heavens after the Titans lost. The series is leaning into that lore. Here, Atlas gets freed and moves to rally Kronos's forces for another war with the Olympians. He is the central antagonist next season and, per the reporting, is expected to remain a looming presence beyond the core Season 3 arc. Smart choice for The Titan's Curse era.

Where Season 3 is headed

The new season is expected to adapt The Titan's Curse, the third book in Rick Riordan's five-novel Percy Jackson run. The plotline puts Percy on a rescue mission for Artemis and Annabeth after Atlas captures them, which sets up one of the franchise's biggest showdowns. If you were waiting for the series to scale up its mythic stakes, this is that turn.