How many movies have David Brown and Richard D. Zanuck collaborated on?

They have worked on 18 movies together! Their first movie together was Sssssss (1973) while their highest rated movie together was SUGARLAND - Live at SoundStage 2009 (2009). They have not worked together since SUGARLAND - Live at SoundStage 2009 (2009). They are most known for their drama films together.