Who's That Knocking at My Door, originally titled I Call First, is a 1967 American independent drama film written and directed by Martin Scorsese which stars Harvey Keitel and Zina Bethune. It was Scorsese's feature film directorial debut and Keitel's debut as an actor. The story follows Italian-American J.R. (Keitel) as he struggles to accept the secret hidden by his independent and free-spirited girlfriend (Bethune).