Mr. Plankton

Woo Do-hwan

Hae Jo

Lee You-mi

Jo Jae-mi

Oh Jung-se

Eo Heung

Kim Hae-sook

Beom Ho-ja

Kim Min-seok

Yoo Ki-ho 'Kkari'

Kim Soo-jin

Gal-ja

Alex Landi

John Na

Oh Dae-hwan

Wang Chil-sung

EL

Bong-suk

Lee Hae-young

Chae Young-jo

Kim Kyeong-il

Gong-soo

Park No-gyeong

Subordinate

Kim Si-woo

Child Chae Seung-hyuk

Jeong Seon-cheol

Eo Heung's Relative

Yun Hui-cheol

Eo Heung's Relative

Song You-hyun

Sung Hae-won

Lee Da-hee

Noh Yang-hee

Seong No-jin

Kim Dae-bong

Ahn Suk-hwan

Oh Man-soo

Park Ji-yeon

Eun-soo