Island

Lee Su-ryun

Gungtan Kim Min-jun as young Gungtan

Geum Baek-ju

Kang Chan-hee

Priest Johan Ki Eun-yoo as young Priest Johan

Van Kim Seo-joon as young Van

Won Mi-ho / Wonjeong Park Seo-kyung as young Wonjeong / Won Mi-ho

Won Bo-ram

Secretary Kang