Ma Jeong-pil

as Doctor

as Sim Sung-hee's Dad

as Executive

as Danyeong exec

as Bae Han-cheol

as HQ director

as Cafe owner

as Cho Jin-Seo

as Doctor

as Jicheong High alumnus

as Reporter

as Doctor

as Oh Jin-sung

as Taeyang High School faculty member

as KMA HQ staff

as [Attorney]

as MML Festival Committee Member

as Attorney

as Executive (Eps 9)

as Doctor

as Psychiatrist

as Cash transport team leader