How many movies have Edith Head and Edmond O'Brien collaborated on?

They have worked on 6 movies together! Their first movie together was The Greatest Show on Earth (1952) while their highest rated movie together was The Man Who Shot Liberty Valance (1962). They have not worked together since Dead Men Don't Wear Plaid (1982).

Crew
Costume Design
Role
(in "White Heat") (archive footage)
Crew
Costume Design
Role
Midway Barker at End (uncredited)