Main Characters Seo Jung Won 7 main appearances Det. Kim Tae Hun 7 main appearances Seol Woo Jae 7 main appearances
Recurring Guest Characters Sul Pan Ho 7 guest appearances Yoo Yoon Young 7 guest appearances Yang Ae Na 7 guest appearances Oh Myung Soo 7 guest appearances Mo Hyung Taek 6 guest appearances Choi Hye Won 6 guest appearances Lee Ba Reun 6 guest appearances Joo Young Suk 5 guest appearances Cha Eun Sae 5 guest appearances Cha Geum Sae 4 guest appearances Jin Myung Sook 1 guest appearances Mo Soo Rin 1 guest appearances