Siege of the South is a 1931 Australian documentary film by Frank Hurley. It featured Douglas Mawson. It was based on footage taken on the BANZ Expedition to Antarctica in 1930–31. The film debuted in Brisbane in 1931.
| Actor | Role |
|---|---|
 Frank HurleySelf - Narrator, Photographer & Cinematographer | Self - Narrator, Photographer & Cinematographer |
| SSir Douglas MawsonSelf - Expedition Leader | Self - Expedition Leader |
| SStuart Alexander Caird CampbellSelf - Flight Lieutenant | Self - Flight Lieutenant |