Lee Min-woong

as Bar Granada Manager

as Sang-gu's father (2 episodes)

as Woo-min

as Accident Researcher

as Management Director

as Unit member

as Korean Embassy Employee 1

as Dr. Kang's Assistant (uncredited)

as Loveholic Assistant Director

as Apprentice

as Detective Agency 3

as Min-gu

as Tae-jun

as Waiter