How many movies have Silvio Laurenzi and Vera Drudi collaborated on?

They have worked on 3 movies together! Their first movie together was Seven Blood-Stained Orchids (1972) while their highest rated movie together was All the Colors of the Dark (1972). They have not worked together since Torso (1973). They are most known for their thriller films together.

Torso (1973)

Crew
Costume Design
Role
Stefano's Landlady (uncredited)

All the Colors of the Dark (1972)

Crew
Assistant Costume Designer
Role
Nightmare Woman

Seven Blood-Stained Orchids (1972)

Crew
Costume Assistant
Role
Asylum Patient (uncredited)