Young Adult Matters - Cast

Name	Known for
Lee Yoo-mi Se-jin Se-jin See fewer	Squid Game (2021)
Ahn Hee-yeon Joo-young Joo-young See fewer	SF8 (2020)
Bang Eun-Jung Eun-jeong Eun-jeong See fewer	My Roommate Is a Gumiho (2021)
Choi Eun-kyeong Pregnant Teacher Pregnant Teacher See fewer	High Five (2025)
Kim Ga-bin Ga-bin Ga-bin See fewer	Stalker (2021)
Shin Haet-bit Se-jeong Se-jeong See fewer	Alive (2014)
Seong-soo Han Sin-ji Sin-ji See fewer	#Alive (2020)
Heo Joon-seok Joon-seok Joon-seok See fewer	Sisyphus: The Myth (2021)
Park Kang-sub Sang-seop Sang-seop See fewer	Newtopia (2025)
Hwan Lee Jae-pil Jae-pil See fewer	Hwayoung Park (2018)
Kim Seo-ha Detective Detective See fewer	Squid Game (2021)
Lee Seung-Yeon Seung-yeon Seung-yeon See fewer	Taxi Driver (2021)
Park Soo-young Principal Principal See fewer	Heartless City (2013)
Ryu Sun-young Counselor (as Ryu Abel) Counselor (as Ryu Abel) See fewer	A Taxi Driver (2017)
Noh Susanna Female gynecologist Female gynecologist See fewer	Investigation Partners (2018)