Characters played by Kim Soo-hyun
Won Ryoo-hwan
Characters played by Gi-woong Park
Ri Hae-rang
Characters played by Hyun-Woo Lee
Ri Hae-jin
Characters played by Son Hyeon-ju
Kim Tae-won
Characters played by Hye-soo Park
Jeon Soon-im
Characters played by Kim Seong-gyoon
Seo Soo-hyuk
Characters played by Tae-goo Eom
Hwang Jae-Oh
Characters played by Chang-Seok Ko
Seo Sang-gu
Characters played by Chae-yeong Lee
Ran
Characters played by Hye-sook Park
Jeon Soon-im
Characters played by Yoo-Bin Sung
Ri Hae-Jin (young)
Characters played by Choi Woo-sik
Yoon Yoo-joon