How many movies have L. Frank Baum and Tom Dunn collaborated on?

They have worked on 1 movie together! Their first movie together was The Marvelous Land of Oz (1981) and was their highest rated movie together. They have not worked together since The Marvelous Land of Oz (1981).

Crew
Novel
Role
Prof. H.M. Wogglebug, T.E.
Crew
Thanks