When It's At Night

Kim Sun Ah

Heo Cho-hee (17 episodes)

Lee Dong-gun

Kim Bum-sang (17 episodes)

Lee Joo Hyun

Kang Si-wan (17 episodes)

Kim Jung-hwa

Wang Joo-hyun (17 episodes)

Gi-woong Park

Heo Kyun (17 episodes)

Jo Hee-bong

Jo Sang-chul (17 episodes)

Gi Ju-bong

Noh Jung-pil (17 episodes)

Kim Jun Ho

Lee Sang-ho (17 episodes)

Kim Byeong-ok

Kim Sang (17 episodes)

Kim Yong-geon

Jang Oh-sung (17 episodes)

Choi Ju Bong

Jang Man-chul (17 episodes)

Kim Kap-soo

Heo Tae-soo (4 episodes)

Lee Young-yoo

Heo Cho-hee (child) (4 episodes)

Hyang-ki Kim

Kang Ji-yoon (2 episodes)

Hakuryu

Danaka (2 episodes)

Cha Jun-hwan

Heo Kyun (child) (2 episodes)

Jeon Won-joo

Park Mal-soon (1 episode)

Lee Yeoung-Hu

Kim In-taek (1 episode)

Yeo Min-Joo

Heo Cho-hee (teenager) (1 episode)

Yoon Eun-Kyung

Writer (17 episodes)

Kim Eun-Hee

Writer (17 episodes)

Kim Min-su

Stunt coordinator (17 episodes), Martial Arts Choreographer (17 episodes)

Kim Min-su

Action Director (17 episodes)

Son Hyung-Suk

Director (17 episodes)

Kim Hee-won

Assistant Director (17 episodes)

장영우

Assistant Director (17 episodes)