How many movies have Jack Mulhall and Joseph A. Burke acted in together?

They have worked on 2 movies together! Their first movie together was Show of Shows (1929) while their highest rated movie together was Show Girl in Hollywood (1930). They have not worked together since Show Girl in Hollywood (1930).

Role
Performer in '$20 Bet' Sketch and 'Bicycle Built for Two' Number
Role
Joe Burke (as Joe Burke) (uncredited)