How many movies have Kevin Costner and Tommy Martin collaborated on?

They have worked on 2 movies together! Their first movie together was The Guardian (2006) and was their highest rated movie together. They have not worked together since Mr. Brooks (2007).

Mr. Brooks (2007)

Crew
Producer
Crew
Second Second Assistant Director
Role
Earl Brooks

The Guardian (2006)

Role
Ben Randall
Crew
Additional Second Assistant Director