How many movies have Robert Rossen and William Hopper collaborated on?

They have worked on 4 movies together! Their first movie together was Dust Be My Destiny (1939) while their highest rated movie together was A Child Is Born (1939). They have not worked together since Blues in the Night (1941). They are most known for their drama films together.

Crew
Screenplay
Role
Intern Going to See Operation (uncredited)
Crew
Screenplay
Role
Reporter (uncredited)