Hello Monster Cast & Crew
Series Cast
Seo In-guk
Lee Hyun
(16 Episodes)
Jang Na-ra
Cha Ji-an
(16 Episodes)
Park Bo-gum
Jung Sun-ho/Lee Min
(16 Episodes)
Lee Chun-hee
Kang Eun-hyuk
(16 Episodes)
Choi Won-young
Lee Joon-ho/Lee Joon-yeong
(16 Episodes)
Im Ji-eun
Hyun Ji-soo
(16 Episodes)
Min Sung-wook
Son Myung-woo
(16 Episodes)
Kim Jae-young
Min Seung-Joo
(16 Episodes)
Jun Kwang-ryul
Lee Joong-Min
(16 Episodes)
Son Seung-won
Choi Eun-Bok
(16 Episodes)
Doh Kyung-soo
Lee Joon-young
(2 Episodes)
Seo Young-joo
Lee Jung-ha
(2 Episodes)
EL
Jae-shik's girlfriend
(2 Episodes)
Ko Kyu-pil
Park Soo-Yong
(1 Episode)
