as

Kim Young-su

as

Chang-su

as

Kwang-seok

as

Wolwolse Man

as

Detective Choi Jong-hun

as

Coach Yeon

as

Han Hee-sang

as

Staff

as

Dodari

as

Sang-hoon

as

Oh Dong-gyun

as

Yang Jun ['Skin Nation' chairman]

as

Shin Il-su

as

Teacher Chu

as

Kim Tae-jin

as

○ Mask

as

'No. 028'

as

Aquarium manager

as

Sauna Manager

as

Jerome

as

Detective Shim

as

Heo Je-hun

as

Choi Moon-sik

as

Myung-deuk

as

Park

as

Kim Nak Ho

as

Jung Dong Ho

as

Detective

as

Seung-soo

as

Jin-gyu

as

Oh Dong-gyun

as

Jeong-ho

as

Yoo-soo (유수)

as

Youth Association Member

as

Deputy Goo

as

Yi-joon's Father

as

Jung Dong-Ho