She made her acting debut in 2004, but first drew attention with her supporting role as a rebellious teenager in the box-office hit Sunny (2011).

Her other notable roles include Han Gong-ju (2013), The Piper (2015),[2] The Beauty Inside (2015), Love, Lies (2016),[3] The Wailing (2016)[4] and The Atypical Family (2024).

Chun entered the acting department at Kyonggi University in 2006.

[5] In 2014, Chun received critical acclaim for her leading role as the title character in Han Gong-ju, a coming-of-age indie about a traumatized young woman trying to move on with her life after a tragedy.

[6][7] The film was inspired by the infamous Miryang gang rape case of 2004.