Kim Jeong-hyeon (김정현) is a South Korean actor. He was born on June 28, 1976 in Seoul, Korea. He is best known as Jung Chaebong in Big Mouth (2022).

Kim Jeong-hyeon played Jung Chaebong in Big Mouth (2022). Big Mouth is a 2022 television series that mixes mystery, drama and crime. In the 2022 mystery drama Big Mouth, he played Jung Chaebong. His work in the Oxfea catalogue covers one drama. Oxfea's drama guides list the story, cast and release details for Big Mouth.