Fox 2000 is definitely fast-tracking its upcoming fantasy adventure "Percy Jackson," recruiting Uma Thurman, Pierce Brosnan and Sean Bean to star in the big-screen adaptation of Rick Riordan's children's book series.

The story follows Poseidon's 12-year-old half-human son Percy (Logan Lerman), who sets out to save his mother and prevent a war between gods in modern America.

According to Variety, Thurman is set to play Medusa, while Brosnan stars as Chiron. Bean is playing Zeus. Other recent castings include Kevin McKidd, who plays Poseidon, and Melina Kanakerides, who's set to star as Athena.

Just a couple of days ago, Alexandra Daddario also joined the project, which Chris Columbus is ready to direct. Columbus wrote the screenplay with Craig Titley.

Thurman was last seen in "The Life Before Her Eyes." She will also soon star in "Motherhood." Brosnan, one of the stars's of "Mamma Mia!," has "The Ghost" coming up. As for Bean, he recently appeared in a few "Crusoe" episodes.