Panelists: Martha Wainwright, Canadian Singer - Songwriter; Bill McKibben, American Environmentalist; Michael Stutchbury, Editor-in-Chief of The Australian Financial Review; Linda Burney, Indigenous MP; and Cory Bernardi, Liberal Senator.
| Name | Type | Role | |
|---|---|---|---|
| Bill McKibben | Guest Star | ||
| Michael Stutchbury | Guest Star | ||
| Linda Burney | Guest Star | ||
| Cory Bernardi | Guest Star | ||
| Martha Wainwright | Guest Star |