Kim Soo-jin made her big screen debut in the 2001 film Wanee and Junah and has since appeared in numerous TV series and movies. In 2012, she become part of the films Helpless and The Tower. In 2016, she played minor roles in tvN’s Signal and SBS’s Jealousy Incarnate. In 2017, she joined the KBS2 series School 2017 and the tvN drama Smart Prison Living. In 2018, she acted alongside Kim Nam-joo in the hit JTBC series Misty. She continued to play memorable supporting roles such as in the OCN crime-thriller Watcher in 2019 and in the tvN fantasy-romance Tale of the Nine Tailed in 2020. She also portrayed a surgical ward nurse in the first and second seasons of the high-rating tvN medical drama Hospital Playlist. In 2022, she worked with Park Ho-san and Yeh Soo-jung in the MBC miniseries Wild Boar Hunting.

Kim Soo-jin studied at Hanyang University’s theater and film department.