Hwang Sang-kyung

as Hospital Firefighter 1

as Kim Heung-Shik (1 episode)

as Tango panty guy

as Busan Couple

as [Gwang Jae’s “friend”] (1 episode)

as Auditor (16 episodes)

as Ko Dong-chul (4 episodes)

as Gang

as Lorenzo (1 episode)

as Byeon's subordinate

as Motorcycle Gang Member 1

as Mr. Lee