Holt McCallany, Jesse L. Martin join ‘Percy Jackson’ S3

Dec. 23 (UPI) — The Waterfront and Mindhunter actor Holt McCallany has signed on to play Atlas in Season 3 of Percy Jackson and the Olympians on Disney+

Also joining the cast for next season are Law & Order and The Irrational actor Jesse L. Martin, while David Costabile from Breaking Bad and The Wire will play Dr. Thorne.

Season 2 of the family fantasy series is now airing on Wednesdays.

Walker Scobell plays the titular teen demi-god, while Leah Sava Jeffries and Aryan Simhadri return as Annabeth and Grover, Percy’s best friends.

A little gift from the casting gods for Season 3 of #PercyJackson and the Olympians.

Holt McCallany is Atlas
David Costabile is Dr. Thorn
Jesse L. Martin is Frederick Chase pic.twitter.com/ptV8p7aE1i— Percy Jackson (@PercySeries) December 22, 2025

The show is based on the best-selling young-adult novels by Rick Riordan.