Rosario Dawson, Steve Coogan board 'Percy Jackson'

Rosario Dawson and Steve Coogan are the latest to join Chris Columbus' upcoming adventure "Percy Jackson." Based on the first of five children's books by Rick Riordan, the film follows the story of Poseidon's half-human son Percy, who sets out to prevent a war between gods in modern America. The Hollywood Reporter says Coogan is playing Hades, while Dawson is set to portray Persephone. Columbus, who also helmed two "Harry Potter" films, wrote the screenplay with Craig Titley.

Also starring in "Jackson" are Catherine Keener, Pierce Brosnan, Uma Thurman, Sean Bean, Kevin McKidd, Melina Kanakaredes, Logan Lerman, Alexandra Daddario and Brandon T. Jackson. Coogan recently starred in "Hamlet 2" and will be back on the big screen in "Night at the Museum: Battle of the Smithsonian." As for Dawson, she last starred alongside Will Smith in "Seven Pounds."