Hello! It's always great to see a fellow lover of crime fiction and thrillers here. If you're interested in authors from New Zealand and Australia, you've certainly mentioned some of the best, like Peter Temple, Paul Thomas, Garry Disher, and Chris Hammer. Here are a few more you might enjoy:
1) **Barry Maitland**: He's a Scottish-born author but now resides in Australia. His work includes the 'Brock and Kolla' series, which is a detective series set in London. His more recent 'Harry Belltree' trilogy is set in Australia.
2) **Jane Harper**: An Australian author known for engaging crime novels with a deep sense of place. Her books, like "The Dry", "Force of Nature", and "The Lost Man", are popular for their taut writing and gripping suspense.
3) **Michael Robotham**: Though he was born in Australia, he first made a name as a crime writer in the UK before his career took a more international turn. His books feature tightly woven plots with psychological depth, such as "Life or Death" and "The Secrets She Keeps".
4) **Fiona McIntosh**: Known for her diverse genre writing, McIntosh’s venture into crime fiction with "Bye Bye Baby" and "Beautiful Death" which are set in the UK, has been well received.
5) **Vanda Symon**: She's a top crime author from New Zealand. Her 'Sam Shephard' series, which includes "Overkill", "Ringmaster", and "Containment", has won her a number of accolades.
I hope you find these authors intriguing and that they feed nicely into your reading list. Enjoy finding new narratives and thrilling crime stories from Down Under!