How many movies have Edith Head and John Cortay collaborated on?

They have worked on 2 movies together! Their first movie together was The File on Thelma Jordon (1949) while their highest rated movie together was Sunset Boulevard (1950). They have not worked together since Sunset Boulevard (1950).

Crew
Costume Design
Role
Young Gate Guard Mac at Paramount Studios (uncredited)
Crew
Costume Design
Role
Deputy Sheriff (Uncredited)