Kat Dennings negotiating to play 'Defendor'

Film to star Woody Harrelson and Sandra Oh

Kat Dennings, who stars in "Nick and Norah's Infinite Playlist," which bowed in theaters this weekend, is in negotiations to join Woody Harrelson and Sandra Oh in "Defendor."

Written by Peter Stebbings, who also is making his directorial debut, the film centers on a regular guy (Harrelson) who believes he has a secret superhero identity. Dennings will play a teenager he befriends, while Oh is cast as his psychiatrist.

Principal photography begins next month in Toronto on the film, which is being produced by Darius Films principal Nicholas Tabarrok.

Harrelson is repped by CAA, Dennings by CAA and Management 360 and Oh by UTA and Principal Entertainment.