How many movies have Howard Banks and Joan St. Oegger collaborated on?

They have worked on 3 movies together! Their first movie together was Undercover Girl (1950) while their highest rated movie together was Bud Abbott and Lou Costello Meet the Invisible Man (1951). They have not worked together since Bud Abbott and Lou Costello Meet the Invisible Man (1951). They are most known for their crime films together.