Monsters Do Not Exist Phonm Penh, Cambodia. Nai has nightmares in which The Yeak, a monster from Khmer mythology that eats children who misbehave, appears to him. Details Casts Galleries Posters Title Monsters Do Not Exist Release Date 2012-01-01 Runtime 00 Hours 10 Minutes Genres Drama Fantasy Production Companies Asociación Protect, 47 Ronin Production Countries Spain Nang Nay... Child... Iñigo de la Iglesia... Michael... Bin Sothum... Grandmother... Ander Pardo... Yeak... Ouch Bunthoeun... Friend #1... Prong Uthdorm... Friend #2... Keo Chanthy... Policeman #1... Soam Sina... Policeman #2... Original Size (1920x1080) Original Size (1920x1080) Original Size (1000x1500) Original Size (1000x1500) Original Size (1000x1500) Original Size (1000x1500)