Cain and Abel

So Ji-sub

as

Lee Cho-in / O...

Shin Hyun-joon

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