A Petty Middle Manager: Cast
Kim Seung-ho
Juntaek Koo (Head of Welfare Division)
Do Kum-bong
Younghee (Eldest daughter)
Hwang Jeong-sun
Mrs. Lee (Wife of Jun-taek Koo)
Kim Hee-kap
Dal-Soon Song (Executive Director)
Bang Su-il
Kwon Oh-cheol (Working with Welfare Department)
Park Seong-dae
Young-guk (Eldest son, college student)
Yoon In-ja
Yoon Myeong-ok (Song Dal-soon's concubine)
Bok Hye-suk
Grandma
Seok Geum-seong
Ms. Choi (Song Dal-soon's wife)
Lee Il-seon
Grandfather
Yoon Wang-gook
Yugi-dong
Choi Sam
Sales manager
Rim Han
General affairs manager
Kim Suk-il
Oh Kyung-ja
Kim A-mi
Seo Mi-ae
Kim Sin-myeong
Boarding house owner
Dokgo Sung
Man A