MIDNIGHT RUN opens. Written by George Gallo; directed by Martin Brest. Spry, speedily inventive action comedy cum odd couple road movie streamlined by winning chemistry between Robert De Niro's irascible, ex-cop bounty hunter and Charles Grodin's slyly opportunistic, embezzling Mob accountant. With Yaphet Kotto, John Ashton, Dennis Farina and Joe Pantoliano.