Strong Girl Nam-soon

Lee You-mi

as Kang Nam-soon

Kim Jung-eun

as Hwang Geum-joo

Kim Hae-sook

as Gil Joong-gan

Ong Seong-wu

as Kang Heeshik

Byeon Woo-seok

as Ryu Shi-oh

Lee Seung-joon

as Kang Bong-go

Kim Ki-doo

as Hwang Geum-dong

Han Sang-jo

as Kang Na-min

Oh Jung-yeon

as Jeong Na-young

Joo Woo-jae

as Ji Hyeon-soo

Gyeongree

as Teacher No

Park Young-tak

as Oh Young-tak

Yu Ha-seong

as Jin Seok-gyu

Song Jin-woo

as Kim Seok-ho

Jung Seung-kil

as Ha Dong-seok

Jung Bo-seog

as Seo Joon-hee

Akira Kim

as Brad Song

Choi Hee-jin

as Ri Hwa-ja / Lee Myeong-hee

Lee Jung-ok

as Kim Namgil

Lee Hee-jin

Seo Yi-soo

as Kang Nam-soon (Teen)

An Tae-rin

as Kang Nam-soon (Child)

Han Chul-woo

as Reporter Kim

Hong Seok-bin

as Park Dong-hwan

Park Sun-im

as Yeo Jih-yeon

Sungsoo Yune

as Secretary Yoon

Shim Hye-jin

as Hwang Ji-ni

Oh Jung Hwan

as Seong Soo-chang

Lee Yong Woo

as Opulentia member

Lee Jae Woong

Ha Dong-jun

Чхве Е Чан

as Bing Bing (child)

Lee Hong-nae

as Bing Bing