Ko Jae-hyun Creator Seo In-guk Nam Han-jun Actor Oh Yeon-seo Han Jae-hui Actor Kwak Si-yang Gong Su-cheol Actor Kwon Soo-hyun Cha Do-won Actor Kang Mi-na Nam Hye-jun Actor Jung Eun-pyo Kim Cheol-geun Actor Jung Man-sik Jang Dujin Actor Hwang Woo Seul-hye Lee Min-gyeong Actor Jung Ha-Joon Na Gwang-tae Actor Ko Jaehyun Director Park Hye-jin Screenwriter