Most thriller movie continuity mistakes of 1972

1The Godfather pictureThe Godfather (1972)37
2The Last House on the Left pictureThe Last House on the Left (1972)19
3The Poseidon Adventure pictureThe Poseidon Adventure (1972)7
4Deliverance pictureDeliverance (1972)7
5Frenzy pictureFrenzy (1972)3
6Sleuth pictureSleuth (1972)2
7Return of the Dragon pictureReturn of the Dragon (1972)1
8Horror Express pictureHorror Express (1972)1
9Sitting Target pictureSitting Target (1972)1
10They Only Kill Their Masters pictureThey Only Kill Their Masters (1972)1
11Blacula pictureBlacula (1972)1