Namkoong Min
Ahn Dan-tae / Seok Jun-pyo

Bang Min-ah
Gong Shim

On Ju-wan
Seok Jun-su

Seo Hyo-rim
Gong Mi

Oh Hyun-kyung
Joo Jae-bun

Woo Hyeon
Gong Hyeok

Jeong Hye-seon
Nam Sun-cheon

Kyeon Mi-ri
Yeom Tae-hui

Kim Il-woo
Seok Dae-hwang

Kim Byeong-ok
Yeom Tae-cheol

Bang Eun-hee
Chun Ji-yeon

Sunwoo Yong-nyeo
Dae-hwang's birth mother

Jo Yeon-ho
Seok Jun-pyo (Young)

Shin Soo-Ho
Shin Gu-nam

Choi Hong-il
Ahn Su-young

Kim Byeong-se
Law firm president

Geum Bo
Ho Jung

Ahn Su-bin
Kim Dae-ri

Go Mi-young
Lawyer Choi

Lee Chae-kyung
Jun-pyo's birth mother