The film that's most like "Dog Day Afternoon" (at least in its main part) is "Killing Zoe," which I strongly recommend to my fellow padrinos.

Ntra la porta tua lu sangu � sparsu,
E nun me mporta si ce muoru accisu...
E s'iddu muoru e vaju mparadisu
Si nun ce truovo a ttia, mancu ce trasu.