How many movies have Cedric Gibbons and Sig Ruman collaborated on?

They have worked on 14 movies together! Their first movie together was A Night at the Opera (1935) while their highest rated movie together was Ninotchka (1939). They have not worked together since Many Rivers to Cross (1955). They are most known for their comedy films together.

Crew
Art Direction
Role
Professor Boris Riminoffsky
Crew
Art Direction
Role
Dr. Leopold X. Steinberg
Crew
Art Direction
Role
Fanchon (as Sig Rumann)