So Ji-sub

as Lee Cho-in / Oh Kang-ho

Shin Hyun-jun

as Lee Seon-woo

Han Ji-min

as Oh Young-ji

Chae Jung-an

as Kim Seo-yeon

Song Jong-ho

as Kang Suk-hoon

Kim You-jung

as young Seo-yeon

Ahn Nae-sang

as Jo Hyun-taek

Park Sung-woong

as Oh Kang-chul

Kwon Hae-hyo

as Kim Jin-geun

Kim Hae-sook

as Na Hye-joo