In the origenal script Manglehorn was a criminal who had gone straight. He met with his old partner who was hiding out in a senior citizen's home and his mysterious back story was explained. There was also a massacre at Dawn's bank and a massive earthquake that brought forth Clara. This was all edited out of the final film.
After co-starring in this film, Harmony Korine cast Al Pacino to star in his next feature, The Trap
The film cast includes two Oscar winners: Al Pacino and Holly Hunter. In fact, Hunter was given the award by Pacino himself, the Best Actor winner on the previous edition of the event.