Kang Deok-joong

as Mechanic (1 episode)

as TF Team Member (1 episode)

as Male Agent in Eel Restaurant

as Black

as Doctor

as Policeman

as Detection and Collection Team Leader

as Police Officer

as North Korean Border Guard

as Policeman

as Locksmith

as Team member

as Rookie Laborer

as Jaeho

as Seo Ji-woo's Junior

as Cha Min-Jae (159 episodes)