How many movies have John W. Frost and Lawrence Underwood collaborated on?

They have worked on 2 movies together! Their first movie together was Sons of Liberty (2013) while their highest rated movie together was Convergence (2017). They have not worked together since Convergence (2017).

Crew
Sound Re-Recording Mixer
Crew
Art Direction
Crew
Sound Re-Recording Mixer
Crew
Art Direction