Kim Sang-woo

as Valak

as Park Jung-ho

as Siyoon

as Go Seon-jae

as Seo Seok

as Hoon, the manager of Han Kang-hee

as Kwak Jae-ho

as Tae Hyung

as Yang Choon-sik

as Ji-hong

as Young Yoon Hyun-Moo

as Kwak Jae-ho