Panelists: Barnaby Joyce, Minister for Agriculture; Mark Butler, Shadow Minister for Environment; David Suchet, British Actor; Louise Adler, CEO of Melbourne University Publishing; and Madonna King, Journalist and Commentator.
| Name | Type | Role | |
|---|---|---|---|
| Madonna King | Guest Star | ||
| Barnaby Joyce | Guest Star | ||
| Mark Butler | Guest Star | ||
| David Suchet | Guest Star | ||
| Louise Adler | Guest Star |