The Spanish Prisoner

When a naïve inventor (Campbell Scott) develops The Process, a top-secret program guaranteed to make billions for his company, the wolves come out to fleece him in this cunning mystery with a masterful sleight of hand from writer-director David Mamet. Powerful performances by Ben Gazarra and Steve Martin -- in addition to plenty of surprises and stings -- permeate this twisty and suspenseful con flick.