Full cast of Dark Hole

Kim Ok-vin

Lee Hwa Sun

12 episodes

Lee Jun-hyuk

Yoo Tae Han

12 episodes

Yoon Jung-hoon

Woo Sang

12 episodes

Park Keun-rok

Choi Seung Tae

12 episodes

Jang Sung-won

Lee Young Tae

12 episodes

Lee Ha-eun

Yoon Saet Byeol

12 episodes

Kim Byeong-gi

Choi Gyeong-su

12 episodes

Oh Yu-jin

Han Dong Rim

12 episodes

Song Sang-eun

Song Sang Eun Kim Seon Nyeo / "Sunnyeo" / "Madame Kim"

12 episodes

Lee Ye-bit

Jung Do Yoon

12 episodes

Bae Jung-hwa

Han Ji Soo

12 episodes

Im Won-hee

Park Soon Il

12 episodes

Zo Zee-an

Cho Hyun Ho

12 episodes

Kim Do-hoon

Lee Jin Seok

12 episodes

Kim Su-ol

Yoon Ji Ae

12 episodes

Heo Hyung-kyu

Kang Sung Beom

12 episodes

Jang Myung-kap

Son Dong Goo

12 episodes

Na Se-na

Teacher Na Se-na

12 episodes

Yun Seul

Kim Bo-eun

12 episodes

You Chae-eun

Nurse

12 episodes

Jeong Hyun-ji

Nurse

12 episodes

Park Xi-yeon

Student

12 episodes

Ahn Eun-jin

Detective So Jung-hwa (Eps 1, 2)

2 episodes

Jung Se-Hyun

Female Student (Eps 2)

1 episode

Chung Su-bin

Female Student (Eps 2)

1 episode

Ho Sol-Hee

Female Student (Eps 2)

1 episode

Jeon Yeo-jin

Kim Ji-min (Eps 3)

1 episode

Kim Kang-min

Min Gyu (Eps 12)

1 episode

Han Dong-won

[Snake Eyes' co-worker]

1 episode