bangjong pisanthanakun () is a thai filmmaker and screenwriter. he saw early success with his first two films, "shutter" (2004) and "alone" (2007), both horror films that he co-directed and co-wrote with parkpoom wongpoom. since then he has directed films in a variety of genres, including the 2010 romantic comedy "hello stranger", the 2013 comedy horror romance film "pee mak" which became thailand's highest grossing film of all time, the 2015 romantic melodrama film heart attack and the 2016 movie "one day".