2012 Perfect Number A brilliant math teacher formulates the perfect cover-up after his neighbor murders her abusive ex-husband. Credits Director Pang Eun-jin Producers Seo Young-hee , Choi Yun-jin , Lee Seok-won Writers Kim Tae-yun , Lee Gong-ju , Lee Jung-hwa Cinematographer Choi Chan-min Editor Yoo Sung-yup Production Design Yang Hong-sam Cast Ryoo Seung-bum , Lee Yo-won , Cho Jin-woong , Kim Yoon-sung , Kim Bo-ra , Lee Seok-jun , Lim Sung-min , Kwak Min-ho , Kwon Hae-hyo , Nam Moon-chul Studios CJ Entertainment , K&Entertainment , Studio K , Twin Genres Thriller Mystery External IMDb Amazon Posters 5
