Kim Shin-rok

Seo Hye-eun

Yeon Joo-hyun (season 2)

Hye-jin

Jin Hwa-young

Park Jeong-ja, a single mother subject to the first public demonstration

Oh Ji-hwa Nam Ga-hyeon as young Oh Ji-hwa

Ahn Tae-hee, a prosecutor working on Hyun-soo's case

Chief Ji, the general manager of facility management.

Baek So-jin's mother