How many movies have Cyril Ring and Don Ackerman acted in together?

They have worked on 2 movies together! Their first movie together was Second Fiddle (1939) while their highest rated movie together was Citizen Kane (1941). They have not worked together since Citizen Kane (1941).

Role
Newspaperman at Trenton Town Hall (uncredited)
Role
Man at Party in Everglades (uncredited)