Flower of Revenge Promotional poster Also known as Thorn Flower A Flower with Thorns Thorny Flower Genre Melodrama Revenge Family Written by Lee Hong-ku Directed by Kim Do-hyung Starring Jang Shin-young Kang Kyung-joon Seo Do-young Sa Hee Jung Ji-yoon Lee Won-suk Composer(s) Kim Hyun-bo Country of origin South Korea Original language(s) Korean No. of episodes 120 Production Executive producer(s) Jo Joon-hyung Production location(s) Korea Cinematography Ahn Jae-hyun Lee Gang-min Editor(s) Park Seon-young Running time 40 minutes Production company(s) JTBC (Drama House) Release Original network jTBC Original release February 4 (2013-02-04) – August 1, 2013 (2013-08-01) External links Website