The Witness The killer is out there. An ordinary man witnesses a cruel murder and becomes entangled in circumstances out of his control. Details Casts Videos Galleries Posters Title The Witness Release Date 2018-08-15 Runtime 01 Hours 51 Minutes Genres Thriller Crime Production Companies AD406, Next Entertainment World Production Countries South Korea Lee Sung-min... Sang-hoon... Kim Sang-ho... Officer Jae-yeop... Jin Kyung... Soo-jin... Kwak Si-yang... Tae-ho... Bae Jung-hwa... Seo-yeon... Shin Seung-hwan... Sang-tae... Jung Yoo-min... Hee-won... Yeon Je-wook... Cola... Hwang Young-hee... Women's Society President... Son Jong-hak... Squad Chief Choi... Park Ji-hu... Ye-seul... Kim Sung-kyun... Mr. Choi... Jang Tae-min... Detective... The Witness (2018) - Trailer (Trailer) Original Size (3766x2118) Original Size (3000x1687) Original Size (1979x2835) Original Size (1000x1500) Original Size (1000x1500) Original Size (2000x3000) Original Size (1890x2835) Original Size (1978x2835) Original Size (2000x2865) Original Size (2000x2865) Original Size (2000x3000)