Pan will be a dark action thriller, with the Battle: Los Angeles star taking on the role of troubled detective Hook, according to Screen Daily.
The title role will be re-envisioned as a childish kidnapper, with AnnaSophia Robb playing former victim and assistant to Hook, Wendy.
Sean Bean has also joined the cast playing a chief detective who is the only one to believe in Hook's mission to find Pan.
Helmer Ben Hibon will be making his feature film debut, after having directed the animated Tale of The Three Brothers sequence in Harry Potter and the Deathly Hallows: Part 1.
His previous work includes the short Codehunters, an animated series inspired by the PlayStation 3 game Heavenly Sword and the controversial Sucker Punch.
Eckhart will next be seen in Neil LaBute's psychological crime thriller The Geography of Hope.
Watch the trailer for Aaron Eckhart's Battle: Los Angeles below: