Variety reports that Vin Diesel is attached to star in and produce an untitled action thriller written by Unknown screenwriters Oliver Butcher and Stephen Cornwell.
The trade says that Diesel's One Race Productions is teaming with newly formed company the Ink Factory to produce the project. Diesel and his One Race partner Samantha Vincent will produce with the Ink Factory's Simon Cornwell and Rhodri Thomas.
The project is based on a pitch from the writers though the storyline is being kept under wraps.
Diesel is currently developing with writer/director David Twohy a new Riddick movie, which is scheduled to start filming this September in Canada. He is also attached to topline and produce MGM's The Machine.
Diesel is scheduled to return as Dom in Fast & Furious 6 on May 24, 2013 as well.