Recurring Guest Characters Park Joong Hoon 1 guest appearances Yesung 1 guest appearances Lee Eun Hyuk 1 guest appearances Lee Dong Hae 1 guest appearances Kim Ryeo Wook 1 guest appearances Kyuhyun 1 guest appearances Hong Jin Young 1 guest appearances Park Cho Rong 1 guest appearances Yoon Bo Mi 1 guest appearances Jung Eun Ji 1 guest appearances Kim Nam Joo 1 guest appearances Son Na Eun 1 guest appearances Oh Ha Young 1 guest appearances Ahn Hyun Mo 1 guest appearances Rhymer 1 guest appearances So Chan Whee 1 guest appearances Kim Hyun Jung 1 guest appearances Hwangbo 1 guest appearances