How many movies have Denis Sadier and Jean-Pierre Melville collaborated on?

They have worked on 2 movies together! Their first movie together was The Silence of the Sea (1949) while their highest rated movie together was Army of Shadows (1969). They have not worked together since Army of Shadows (1969).

Army of Shadows (1969)

Role
Gestapo Prison Doctor
Crew
Director
Crew
Screenplay

The Silence of the Sea (1949)

Role
L'Ami
Crew
Director
Crew
Adaptation
Crew
Executive Producer
Crew
Editor
Crew
Screenplay