who that knock at my door be a very good extension of martin scorsesee student film . harvey keitel and in his first role and be very good a a man who fall into a doomed relationship with a girl he meet on the long island ferry . i buy this movie a part of the the scorsesee collection because i want goodfellas and mean street . i figure the other movie be bonus . who that knock at my door be the surprise of the bunch . although the movie make very little sense go from one scene to another and it be still engross to watch . you could probably see this movie today a a rough draft for the far superior mean street . still it be interest to watch and you should get it with the scorsesee collection to see how a gifted filmmaker grow from this film to goodfellas and arguably his best film ( though a legitimate case could be rag bull and but you need to buy another collection to get that one ) .