Main Characters Kang Kwon Joo 21 main appearances Park Eun Soo 5 main appearances Moo Jin Hyuk 16 main appearances Do Kang Woo 5 main appearances Kwak Dok Ki 5 main appearances Bang Je Soo 5 main appearances Derek Jo
Recurring Guest Characters Baek Mi Ja 2 guest appearances Kim Sang Goo 2 guest appearances Won Soon Hee 2 guest appearances Lee Hyuk Jin 2 guest appearances Fleeing Criminal 1 guest appearances Beaten Criminal 1 guest appearances Cha Myung Chul 1 guest appearances Retired Forensic Doctor 1 guest appearances Girl who lost her Wallet 1 guest appearances Min Ji Suk 1 guest appearances Young Kyung Il 1 guest appearances Park Mal Nyun 1 guest appearances Park Bok Soon 1 guest appearances Club DJ 1 guest appearances Club Boss 1 guest appearances Killer 1 guest appearances Hospital Security Leader 1 guest appearances Do Mi Young 1 guest appearances Psychiatric Doctor 1 guest appearances Delivery Guy of Chinese Restaurant 1 guest appearances ⇤ « 1 2 3 4 5 » ⇥