How many movies have Donna Martell and Russell A. Gausman collaborated on?

They have worked on 3 movies together! Their first movie together was Secret Beyond the Door... (1947) while their highest rated movie together was Abbott and Costello Meet the Killer, Boris Karloff (1949). They have not worked together since Abbott and Costello Meet the Killer, Boris Karloff (1949). They are most known for their drama films together.