Banjong Pisanthanakun was born on September 11, 1979 in Bangkok, Thailand. He is a writer and director, known for Shutter (2004), The Medium (2021) and Alone (2007). Parkpoom Wongpoom was born on 23 September 1978 in Bangkok, Thailand. He is a writer and director, known for Shutter (2004), Alone (2007) and Phobia (2008).