Park Yong-ha

as Kang Hyun-soo

Kim Min-joung

as Yu Seo-yeon

Park Hee-soon

as Hwang Jong-ku

Kim Moo-yul

as Jo Min-hyung

Jun Kim

as Brian Choi

Lee Dong-yong

as Hwang's security #1

Jo Jae-yun

as Mr. Lee

Park Jae-woong

as Duk Sang-Lee

Jo Deok-hyeon

as Park Chang-joo

Kim Yeong-hun

as Secretary Nam

Kwon Jae-hwan

as Kim Seong-Beom

Kim Seung-hoon

as Lee Jae-Hak

Yoo Seung-mok

as Prof. Yun Sang-Tae

Park Yong-yeon

as Kang Jun-Su

Jeon Kuk-hwan

as Super Ant / Masan Venture Capital

Jeong Min-sung

as Detective 1

Lee Eun-ji

as sexy girl

Jung Yoon-seo

as housewife

Lee Do-hyun

as poster actor 2

Park Pal-Young

as National Assembly member

Bae Ho-geun

as Park Ji-Hyuk

Shin Yoo-ram

as detective 2

Seo Wang-suk

as demolition hired man 1

Lee Yong-i

Shin Hyeon-jong

as Dr. Woo