How many movies have François Truffaut and Helen Scott collaborated on?

They have worked on 2 movies together! Their first movie together was Fahrenheit 451 (1966) while their highest rated movie together was Hitchcock/Truffaut (2015). They have not worked together since Hitchcock/Truffaut (2015).

Hitchcock/Truffaut (2015)

Role
Self (archive footage) (uncredited)
Role
Self (archive footage) (uncredited)

Fahrenheit 451 (1966)

Crew
Director
Crew
Additional Dialogue
Crew
Screenplay