Known for his roles in such South Korean television series as The Fugitive: Plan B and Love Story in Harvard, he also received Korean Film Actors' Association and Okgwan Order of Cultural Merit awards for his work in the 2012 film Pieta.
He first appeared on television at the age of twenty in a situation comedy called Soonpoong Clinic.
A fashion model as well as a screen actor, he earned a 2008 Model Star Award at the Asia Model Festival.
A native of South Korea, he studied horticulture at Konkuk University and performing arts at Hanyang University.
In writer and director Kim Ki-duk's 2012 film Pieta, Jung-jin starred as the cruel and enigmatic Lee Kang-do.