For an actor who's been making movies a mile a minute in recent years, the aptly titled Non-Stop seems to be a match for Liam Neeson. The performer is currently in negotiations to star in the new pic.

Although The Hollywood Reporter claims the film's synopsis is being held under lock and key, those in the know describe Non-Stop as a "gritty action thriller centering on an air marshal (Neeson) on a domestic flight."

Dark Castle's Joel Silver, Andrew Rona and Alex Heineman will be producing the project. John Richardson and Chris Roach have written the script, and Jeff Wadlow is already tapped to direct.

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