Innocent Defendant Promotional poster Hangul 피고인 Genre Legal drama Thriller Created by Han Jung-hwan Developed by SBS TV Written by Choi Soo-jin Choi Chang-hwan Directed by Jo Young-kwang Jung Dong-yoon Creative director(s) Jo Young-min Kim Jang-han Starring Ji Sung Um Ki-joon Kwon Yu-ri Oh Chang-seok Uhm Hyun-kyung Theme music composer Park Se-joon Opening theme Until The End (Inst.) by San E Country of origin South Korea Original language(s) Korean No. of episodes 18 Production Executive producer(s) Han Jung-hwan Park Hyoung-gi Min Hyun-il Lee Sung-jin Producer(s) Lee Sang-min Cinematography Jung Min-gyun Park Min-sung Editor(s) Jo In-hyung Lim Ho-chul Running time 60 minutes Production company(s) Signal Entertainment Group The Story Works (SBS) Distributor Seoul Broadcasting System Release Original network SBS TV Picture format 1080i (HDTV) Audio format Dolby Digital Original release January 23 (2017-01-23) – March 21, 2017 (2017-03-21) External links Website Innocent Defendant at The Story Works