Riven

Namkoong Min

as Ahn Dan-tae / Seok Jun-pyo

Bang Min-ah

as Gong Shim

On Ju-wan

as Seok Jun-su

Seo Hyo-rim

as Gong Mi

Oh Hyun-kyung

as Joo Jae-bun

Woo Hyeon

as Gong Hyeok

Jeong Hye-seon

as Nam Sun-cheon

Kyeon Mi-ri

as Yeom Tae-hui

Kim Il-woo

as Seok Dae-hwang

Kim Byeong-ok

as Yeom Tae-cheol

Bang Eun-hee

as Chun Ji-yeon

Sunwoo Yong-nyeo

as Dae-hwang's birth mother

Jo Yeon-ho

as Seok Jun-pyo (Young)

Shin Soo-Ho

as Shin Gu-nam

Choi Hong-il

as Ahn Su-young

Kim Byeong-se

as Law firm president

Geum Bo

as Ho Jung

Ahn Su-bin

as Kim Dae-ri

Go Mi-young

as Lawyer Choi

Lee Chae-kyung

as Jun-pyo's birth mother

Baek Su-chan

Director

Lee Hee-myung

Writer

Park Se-jun

Music