Recurring Guest Characters Heo Young Ji 3 guest appearances Wang Kong 3 guest appearances Yook Duk 3 guest appearances N 3 guest appearances Dol Baeki 2 guest appearances Ken 2 guest appearances Park Hyung Shik 2 guest appearances Im Si Wan 2 guest appearances Nun Ggari 1 guest appearances Lee Hong Bin 1 guest appearances Hwang Kwang Hee 1 guest appearances