She starred in Lee Joon-ik's historical drama The Throne (2015), for which she won a Blue Dragon Film Award for Best Supporting Actress.

Jeon Hye-jin, a contestant in the 1997 Miss Korea pageant representing Gyeongnam,[1] embarked on her acting career with minor roles in the film A Killing Story [ko], released in 1998.

Two years later, she took on a significant role as Yoon Seo-gyeong, the sister of Cha Moo-hyeok (played by So Ji-sub), in the KBS2 Monday-Tuesday drama I'm Sorry, I Love You.

[1][2] Jeon rose to prominence with role Consort Yeong in Lee Joon-ik's historical drama The Throne (2015), starring Song Kang-ho and Yoo Ah-in.

Jeon played Chun-bae, in crime-noir film The Beast, an informant who makes a risky proposal to detective Han-soo (Lee Sung-min).