A Man of Reason

Jung Woo-sung

Su-hyuk

Kim Nam-gil

Woo-jin

Kim Jun-han

Seong-joon

Park You-na

Jin-ah

Ryu Ji-an

In-bi

Park Sung-woong

Eung-guk

Lee Elijah

Min-seo

Park Seong-joon

Ger

Moon Seong-hwan

Masseur

Kim Ju-hun

Jun-ho

Kim Moon-hak

Security Team Leader

Park Yong

Minister Shin

Kim Yoon-jeong

Physician

Lee Eun-kyeong

Jun-ho's Wife

Lee Hyo-bi

Jun-ho's Daughter