Lee Sung-deuk

as Yoo Jung's assistant (16 episodes)

as Park Ji Hoon [Drug smuggler] (4 episodes)

as Song Tae-soo

as Gangster Taking Away Motorcycle

as Police Officer

as (Taedong High student)

as Taedong High student (12 episodes)

as President's bodyguards #3

as Hana's university alumnus (16 episodes)

as Byun Ji Sook's high school classmate (20 episodes)

as VJ (24 episodes)