Guest Stars Choi Kwon Soo as Choi Dong Gil Jo Jung Chi as Hyun Chul Yoo Oh Sung as Choi Gook Jin Ahn Mi Na as Sook Ja Kim Soo Yun as So Jung Park Isaiah as Choi Young Gil Jung Won as Hyung Mo Im Tae Hwan as In Chul Baek Shi Ohn as Jae Sung Heo In Young as Teacher
