Full cast of Abyss

Park Bo-young

Go Se-yeon / Lee Mi-do

16 episodes

Ahn Hyo-seop

Cha-min

16 episodes

Lee Sung-jae

Oh Young-cheol

16 episodes

Lee Si-eon

Park Dong-cheol

16 episodes

Song Sang-eun

Lee Mi-do

16 episodes

Han So-hee

Jang Hee-jin

16 episodes

Kwon Soo-hyun

Seo Ji-wook

16 episodes

Yun Yoo-sun

Eom Ae-ran

16 episodes

Park Seong-yeon

Park Mi-soon

16 episodes

Lee Cheol-min

Park Ki-man

16 episodes

Kim Sa-rang

Go Se-yeon

16 episodes

Ahn Se-ha

Cha-min

16 episodes

Kang Ye-seo

Young Jang Hee-jin

16 episodes

Ha Sung-kwang

Go Chang Soo [Se Yeon's father]

16 episodes

Han Sa-myeong

Im Jun Hyeok [Judge Seo’s hired PI]

2 episodes

Jung So-min

Grimreaper

1 episode

Seo In-guk

Grim Reaper

1 episode

Jung Bo-min

Store customer

1 episode

Song Jae-ryong

[Husband in hit and run scam]

1 episode