In a production role:
The Singer and the Dancer (1977) — writer, director, producer
My Brilliant Career (1979) — director
Starstruck (1982) — director
High Tide (1987) — director
The Last Days of Chez Nous (1992) — director
Death Defying Acts (2007) — director
This list shows all the titles currently on australianscreen that include Gillian Armstrong in a principal role. It is not a comprehensive screenography.