Hidden

Baek Jae Min

as Baek Yoo Jin

Pemeran Pembantu

Lee Hoon Guk

as [Broom]

Pemeran Pembantu

Seo Ho Chul

as [Sxpert in body work]

Pemeran Pembantu

Jung Kyung Ho

as [NIS senior]

Pemeran Pembantu

Jo Ha Seok

as [Snake Eyes]

Pemeran Pembantu

Park Mi Sook

as Mei

Pemeran Pembantu

Hong Seong O

as [Spotted]

Bintang Tamu

Shim So Young

as [Mathematics professor]

Bintang Tamu

Choi Hong Il

as [Chief Baek]

Bintang Tamu

Kwak Min Ho

as [Stiff Head]

Bintang Tamu

Lee Hyun Woong

as [House prayer]

Bintang Tamu

Hong Yeo Joon

Bintang Tamu