Ryu Tae-ho

Positively Yours

Kang Mu-yeong

Surely Tomorrow

Lee Sung-min

The Manipulated

Commissioner

Our Unwritten Seoul

Chairman Choi

Less than Evil

Choi Jung-woo

Lovely Horribly

Director Jo

Because This Is My First Life

CEO Jang

While You Were Sleeping

Professor Moon Tae Min

Tunnel

Jang Yeong Cheol

Guardian: The Lonely and Great God

Eun-Tak's boss