A Korean Odyssey Promotional poster Original title 화유기 Genre Fantasy Romantic Comedy Horror Based on Journey to the West by Wu Cheng'en Developed by Studio Dragon Written by Hong Jung-eun Hong Mi-ran Directed by Park Hong-kyun Kim Jung-hyun Kim Byung-soo Creative director(s) Choi Hyun-sung Geum Won-jung Lee So-jin Starring Lee Seung-gi Cha Seung-won Oh Yeon-seo Lee Hong-gi Jang Gwang Country of origin South Korea Original language(s) Korean No. of episodes 20 Production Executive producer(s) Lee Jin-suk Camera setup Single-camera Running time 70 minutes Production company(s) JS Pictures Distributor tvN Netflix (international)[1][2] Release Original network tvN Picture format 1080i (HDTV) Audio format Dolby Digital Original release December 23, 2017 (2017-12-23) – March 4, 2018 (2018-03-04) External links Website