How many movies have Carleton Macy and George M. Cohan collaborated on?

They have worked on 2 movies together! Their first movie together was Seven Keys to Baldpate (1917) while their highest rated movie together was Seven Keys to Baldpate (1929). They have not worked together since Seven Keys to Baldpate (1929).

Role
Police Chief Kennedy
Role
George Washington Magee
Crew
Theatre Play