character - Jin-su

character - Han Min-oh

character - Kim Jun-young

character - Baek Joon-ki

character - Self

character - Himself

character - Kim Jun-young

character - Jin Young-Min

character - Jung Tae-yang

character - Himself

character - Seok Jun-su

character - Teacher Park

character - Dong-gun

character - Self

character - Seo Ki-hyun

character - Lee Ho-sung

character - Lee Hyun-myung

character - Noh Jung Do

character - Kyung Woo-jin

character - Jae-wook

character - Himself

character - Bojang of Goguryeo

character - Self

character - Jung-hoon

character - Yoon-chul / Charlie

character - Cha Jin-oh

character - Himself

character - Go Suk-Bin

character - Noh Jung-Do

character - Il-yeong

character - Kim Gangu

character - Joong-suk

character - Teenager TaeSoo

character - Yoo Sung-geun

character - Kim Han-soo

character - Employee

character - Jjaeng

character - Han Ji-hoon

character - Lee Chang-seob

character - Himself

character - Himself