Recurring Guest Characters Jung Sang Hoon 7 guest appearances Jung Woo 7 guest appearances Jo Jung Suk 7 guest appearances Go Kyung Pyo 7 guest appearances Ryu Joon Yul 7 guest appearances Ahn Jae Hong 7 guest appearances Park Bo Gum 7 guest appearances Yoo Hee Yul 6 guest appearances Lee Juk 6 guest appearances Yoon Sang 6 guest appearances Yoo Yun Suk 5 guest appearances Baro 5 guest appearances Son Ho Jun 5 guest appearances Kim Jin Woo 5 guest appearances Lee Seung Hoon 5 guest appearances Song Min Ho 5 guest appearances Kang Seung Yoon 5 guest appearances Kang Ha Neul 4 guest appearances