Hello, My Twenties!
Han Ye-riYoon Jin-myung
Han Seung-yeonJeong Ye-eun
Park Eun-binSong Ji-won
신현수Yoon Jong-yeol
손승원Lim Sung-min
류화영Kang I-na
지우Yoo Eun-jae
Choi A-raJo Eun
김민석Seo Jang-hoon
안우연Heimdal
이유진Kwon Ho-chang- 신신세휘Ahn Ye-ji
윤박Park Jae-wan
Ha Eun-seolHan Yu-kyung
최배영Song Kyung-ah
송재룡Head Jo [Jin Myeong's boss]
지일주Ko Doo-young
Park Hye-suYoo Eun-jae
Yoon Jong-hoonSeo Dong-joo
최덕문Oh Jong-gyu
Moon SookBelle Epoque landlady
민성욱Restaurant manager
Yoon Jin-solJo Hyun-hee
송지호[I Na's stalker]
이경심Eun-jae's mother
김호정Eun's mother
Cho Byeong-kyuCho Chung-hwan
Jo Jin-hoBaldur
Ko Shin WonUllr
Yeo OneTýr
Yuto AdachiOdin
강형구Freyr
Jung Woo SeokThor
Go Min-siOh Ha-na- KKim Hyo-jinJin-myung's mother
김학선Eun's father
김창환Kim Chang-hwan
Choi Yu-hwaMoon Hyo-jin
이칸희Ye-eun's mother
남문철Ji-won's father
홍서준Ye-eun's father
Kim Jung-youngJi-won's mother
Park Jun-heeO membro da 5a Coluna
박경혜New candidate for a roommate
김광식[Serial killer]