How many movies have Giorgos Kalogiannis and Gustav Mahler collaborated on?

They have worked on 1 movie together! Their first movie together was Λίβιος ή Η αγαλματώδης παρουσία του περασμένου έπους. (1976) and was their highest rated movie together. They have not worked together since Λίβιος ή Η αγαλματώδης παρουσία του περασμένου έπους. (1976).