How many movies have Alfred Hitchcock and Alfredo DeSa collaborated on?

They have worked on 1 movie together! Their first movie together was Notorious (1946) and was their highest rated movie together. They have not worked together since Notorious (1946).

Crew
Director
Role
Ribero (uncredited)
Crew
Producer
Role
Man Drinking Champagne at Party (uncredited)
Crew
Additional Writing