How many movies have Doug Jackson and Natalie Cohen collaborated on?

They have worked on 2 movies together! Their first movie together was Alvin and the Chipmunks (2007) while their highest rated movie together was Tropic Thunder (2008). They have not worked together since Tropic Thunder (2008).

Crew
Dialogue Editor
Role
Stewardess (uncredited)
Crew
Sound Effects Editor
Role
Poolside Girl (uncredited)