Yoon Chan-youngGong Yoon Tak Yoon Hyun-sooGong Yoon Jae Choi Young-doGong Sung Chul [Yoon Tak's father] Kim Yae-eunChoi Sung-kyung / Da Jung's Colleague Lee Soo-jungHye Mi / Da Jung's Friend Park Joo-youngDetective Park Kim Moon-chan[Gook Hee's uncle] 
