NORTH BY NORTHWEST: A hapless New York advertising executive is mistaken for a government agent by a group of foreign spies, and is pursued across the country while he looks for a way to survive. Director: Alfred Hitchcock; stars Cary Grant, Eva Marie Saint, James Mason; STRANGERS ON A TRAIN: A psychotic socialite confronts a pro tennis star with a theory on how two complete strangers can get away with murder...a theory that he plans to implement. Director: Alfred Hitchcock; stars Farley Granger, Robert Walker, Ruth Roman