Kim Jae-young

as Lee Kang-tae

as Dokgo Dal (10 episodes)

as Do Ra-ik (12 episodes)

as Lee Yeon-suk (10 episodes)

as Driver (1 episode)

as Han Da-on (14 episodes)

as Self (1 episode)

as Self (1 episode)

as Kang Hae-jin (16 episodes)

as Seo Woo-jae (16 episodes)

as Koo Joon-Hwi (100 episodes)

as Yoon Sun-Woo (16 episodes)

as Jeon Woo-sung

as Seo Min-seok (12 episodes)

as Moo-yeon (16 episodes)

as Park Goon

as Leo (18 episodes)

as R

as "R" [Emotions] (10 episodes)

as Mr. Kwak

as Jung Hyun Tae (13 episodes)

as Seong-hoon

as Go Gil-Yong (20 episodes)

as Won Nam Gong (10 episodes)

as Min Seung-Joo (16 episodes)