How many movies have Park Won-sang and Park Young-jun collaborated on?

They have worked on 3 movies together! Their first movie together was Fly, Penguin (2009) while their highest rated movie together was The Whistleblower (2014). They have not worked together since The Whistleblower (2014). They are most known for their drama films together.

Role
Lee Sung-ho
Crew
Director of Photography
Role
Seung-yoon's father (uncredited)
Crew
Director of Photography