character - Kim Do-yoon

character - Yeo Ui-ju

character - Geum Gang-san

character - Ah-jin

character - Nabi

character - ID Pork

character - Kang Tae-Joon

character - Sang Min

character - Kang Chan-sung

character - Go Jeong-hyeok

character - Chu-won

character - Shin Woo-hyuk

character - Session musician

character - Lee Ki-hyun

character - Shin Heung-bok

character - Park Hyeon-soo

character - Yoon Soo

character - Song Wan Ha

character - Gwang Bak's school friend

character - Do Eun Chang / Do Shin Woo

character - Ha Seung-ri

character - Grand Prince Gwangpyeong

character - Dong-yoon

character - Chun-Woo

character - Yun-Su

character - Kim Tae-hoon

character - young Shin Ryu

character - Tae-yeol

character - Grand Prince Suyang

character - Jung Dong Min

character - Kang Oh-soo (young)

character - Song Ji-min

character - young Suk-gyu

character - Kim Tae-hoon

character - Park Jae-in