How many movies have Alfred Hitchcock and Gladys Holland collaborated on?

They have worked on 2 movies together! Their first movie together was To Catch a Thief (1955) while their highest rated movie together was The Man Who Knew Too Much (1956). They have not worked together since The Man Who Knew Too Much (1956).

Crew
Director
Role
Bernard's Date at Restaurant (uncredited)
Crew
Producer
Role
Man in Marrakesh Marketplace (uncredited)
Crew
Director
Role
Elegant French Woman / Additional Voices (uncredited)
Crew
Producer
Role
Man Sitting Next to John Robie on Bus (uncredited)