A Catholic New Yorker falls in love with a girl and wants to marry her, but he struggles to accept her past and what it means for their future.
Is Who's That Knocking at My Door on Netflix? Unfortunately the movie Who's That Knocking at My Door is not yet available on Netflix.
| Writing | Martin Scorsese | Screenplay |
| Crew | Betzi Manoogian | Additional Dialogue |
| Editing | Thelma Schoonmaker | Editor |
| Production | Betzi Manoogian | Producer |
| Sound | John Binder | Sound |
| Art | Victor Magnotta | Set Designer |
| Sound | Jim Datri | Sound |
| Production | Barbara Battle | Production Manager |
| Camera | Chuck Shipley | Still Photographer |
| Production | Joseph Weill | Producer |
| Writing | Martin Scorsese | Writer |
| Camera | Neal Walder | Still Photographer |
| Production | Haig Manoogian | Producer |
| Directing | Mardik Martin | Assistant Director |
| Directing | Martin Scorsese | Director |
| Camera | Michael Wadleigh | Director of Photography |
| Camera | Richard H. Coll | Director of Photography |