How many movies have Gregor Hutchison and Raymond J. Duff collaborated on?

They have worked on 2 movies together! Their first movie together was Assault on Precinct 13 (2005) while their highest rated movie together was Lucky Number Slevin (2006). They have not worked together since Lucky Number Slevin (2006).

Lucky Number Slevin (2006)

Crew
Post Production Supervisor
Crew
Set Production Assistant

Assault on Precinct 13 (2005)

Crew
Post Production Supervisor
Crew
Third Assistant Director