Kang Hak-soo

as Teacher

as Loan Shark 1

as Gujin civil servant

as Security Guard (Eps 6)

as Lee Du-cheol

as Brewery owner

as Director

as Lawyer

as Shell game operator

as Jeju Olle Trail hiker

as Kim Jae-hwan

as Police Officer

as Mr. Park's friend

as Loen Hotel employee

as [Special lecture staff]

as [Prosecutor's Office Admin Support staff]

as Eun-hui's father

as Bird owner

as Chief Yang

as Handbag maker

as [Babel Chemicals plaintiff]

as Real estate agent

as MML Festival Producer

as Patient

as Judiciary committee