How many movies have Heo Myeong-haeng and Jeong Seok-yong collaborated on?

They have worked on 5 movies together! Their first movie together was Please Teach Me English (2003) while their highest rated movie together was Train to Busan (2016). They have not worked together since Train to Busan (2016). They are most known for their action films together.

Crew
Fight Choreographer
Role
Agent 8 (uncredited)