How many movies have Hal B. Wallis and Ludwig Stössel collaborated on?

They have worked on 5 movies together! Their first movie together was Underground (1941) while their highest rated movie together was Casablanca (1943). They have not worked together since G.I. Blues (1960). They are most known for their drama films together.

Crew
Producer
Role
Mr. Leuchtag (uncredited)
Crew
Executive Producer
Role
Professor Berdorff