A true cult movie is
"THE TAKING OF PELHAM ONE TWO THREE"
Directed by Joseph Sargent
Do not be put off by the fact it stars Walter Matthau, his performance in it is excellent.
Robert Shaw plays the gang leader of a bunch of crooks along with Martin Balsam and Hector Elizondo who hold hostage the passengers on a subway train and hold New York to ransom.
One of the very best American thrillers from the 70's.
and not forgetting the funky score by David Shire,it's one of the best in it's genre.