[2] Kim Kkobbi was working as an extra on the 2001 film My Boss, My Hero when a staffer spotted her and asked her to audition for Jealousy Is My Middle Name.

[3] Kim had her breakthrough in 2009 when she starred opposite actor-director Yang Ik-june in the gritty, low-budget drama Breathless.

[4][5][6] The film won critical acclaim both at home and abroad, receiving more than 20 awards from the international festival circuit, and attracting audiences to theaters in numbers unprecedented for an indie film.

Kim's other notable films include the vacation island mystery Magic and Loss,[11] the lesbian romance Ashamed (also known as Life is Peachy),[12][13][14] the dark and violent animated film The King of Pigs,[15][16] and Myselves: The Actress No Make-Up Project, for which she and two other indie actresses filmed themselves using camcorders to document their lives, struggles and dreams.

[17] In 2014 she played the leading role in the Japanese horror film A Record of Sweet Murder.