How many movies have Jeongcheol Cha and Ron Washburn collaborated on?

They have worked on 3 movies together! Their first movie together was The Metropolitan Opera: La Fanciulla del West (2018) while their highest rated movie together was The Metropolitan Opera: La Traviata (2018). They have not worked together since The Metropolitan Opera: Madama Butterfly (2019). They are most known for their drama films together.