Joining Tony Jones on the panel are: News Limited columnist and blogger, Joe Hildebrand; Shadow Treasurer, Joe Hockey; economist and businesswoman, Judith Sloan; and founder of the left-wing think tank CPD, Miriam Lyons.

Panellists: Jenny McAllister, ALP National President; Helen Kroger, Liberal Senator; Mikey Robins, comedian; Robert Manne, writer and academic; and Tim Wilson, Institute of Public Affairs.

Panellists: Julie Bishop, Eva Cox, Annabel Crabb, Daniel Hannan.

Panellists: Government Leader in the Senate, Chris Evans; the Nationals' Senator, Barnaby Joyce; former Queensland Premier, Peter Beattie; Deputy Leader of the Greens, Christine Milne; Kevin Rudd's former advisor, Lachlan Harris; and opinion columnist for The Australian, Janet Albrechtsen.

Panellists: Amanda Vanstone, former Howard Government Minister; Mark Steyn, conservative commentator and writer; Natasha Stott Despoja, one-time Democrats leader; Jianying Zha, writer and adviser to US President Barack Obama; and Paul Grabowsky, Director, 2012 Adelaide Festival.

Panellists: Health Minister, Tanya Plibersek; Shadow Communications Minister, Malcolm Turnbull; former Farmer of the Year, Michael O'Brien; Aboriginal and Torres Strait Islander Social Justice Commissioner, Mick Gooda; and Feminist writer and broadcaster, Clementine Ford.

Panellists Germaine Greer, celebrated Australian intellectual; Toby Ralph, marketing and political strategist; Benjamin Law, writer and journalist; Christa Hughes, cabaret artist; and Craig Gross, America's contentious porn pastor.

Panellists: Craig Emerson, Trade Minister; George Brandis, Shadow Attorney General; Larissa Waters, Queensland Greens Senator; Grahame Morris, political strategist; Liberty Sanger, labor lawyer.

Panellists: former Violent Femme, Brian Ritchie, now director of Hobart's MONA Festival of Music and Art; The Minister for Community Services, Julie Collins; Liberal Senate Leader, Eric Abetz; Outspoken Independent and anti-gambling MP, Andrew Wilkie; author and academic, Natasha Cica; and CEO of the Forest Industry Association, Terry Edwards.

Panellists: Catholic Archbishop of Sydney, Cardinal George Pell and British atheist, Professor Richard Dawkins.

Panellists: Attorney-General, Nicola Roxon; shadow education minister, Christopher Pyne; humanist philosopher, A.C. Grayling; human rights lawyer, Geoffrey Robertson and Middle East analyst, Lydia Khalil.

Panellist: Bob Brown, outgoing leader of the Australian Greens.

Panellists: Social researcher and writer, Rebecca Huntley; former Liberal Minister, Nick Minchin; founder of the Australian Youth Climate Coalition, Anna Rose; mining magnate, Clive Palmer; Chief Executive of the CSIRO, Dr Megan Clark.

Panellists: Mark Dreyfus, Cabinet Secretary and local Labor MP; Sophie Mirabella, Shadow Minister for Innovation, Industry and Science; Victor Victor, Sudanese youth leader; Ged Kearney, President of the Australian Council of Trade Unions; Peter Reith, former Howard Government Minister; and Diana Nguyen, actor and comedian.

Panellists: Graham Richardson, Labor powerbroker turned commentator; Mark Butler, Minister for Mental Health and Ageing; Kelly O'Dwyer, Liberal MP; Mark Bouris, leading Australian businessman; and Kate Miller-Heidke, singer songwriter.

Panellists: Penny Wong, Finance Minister; Joe Hockey, Shadow Treasurer; Tim Costello, CEO of World Vision Australia; Judith Sloan, economist and businesswoman; and Stephen Mayne, Crikey founder and shareholder activist.

Panellists: Jeffrey Eugenides, Pulitzer Prize-winning author of The Virgin Suicides and Middlesex, Kathy Lette, Australian author, commentator and self-confessed "demented mother"; Glenn Carle, former CIA interrogator and analyst; Masha Gessen, Russian journalist and Putin biographer; and Greg Sheridan, Foreign Affairs Editor, The Australian.

Panellists: Barry Humphries, celebrated Australian writer, satirist and actor; Miriam Margolyes, star of Harry Potter and champion of English novelist Charles Dickens; Jacki Weaver, Academy Award nominated actress; David Marr, journalist and commentator; and John Hewson, former leader of the Liberal Party.

Panellists: Simon Crean, Federal Minister for Regional Australia and the Arts; Barnaby Joyce, Queensland Senator and Shadow Federal Minister for Regional Development; Christine Milne, Leader of the Greens; Georgie Somerset, Kingaroy farmer and President of the Queensland Rural Women's Network and Jeremy Marou, Torres Strait Islands musician and grand nephew of Eddie Mabo.

Panellists: Prime Minister of Australia, Julia Gillard.

Joining Tony Jones on the panel are: NSW Minister for Community Services, Pru Goward; English comedian, Lenny Henry; News Limited columnist and blogger, Joe Hildebrand; Age Discrimination Commissioner, Susan Ryan; and academic and writer, Professor Brian Schmidt.

Panellists: Kate Lundy, Minister for Sport and Multicultural Affairs; Tim Freedman, lead singer of The Whitlams; George Brandis, Shadow Attorney General; Dr John Lee, foreign policy academic and China expert; and Louise Adler, CEO of Melbourne University Publishing.

Panellists: Greg Combet, Minister for Climate Change and Energy Efficiency; Sophie Mirabella, Shadow Minister for Innovation, Industry and Science; Simon Sheikh, National Director of GetUp; Lenore Taylor, National Affairs Correspondent for the Sydney Morning Herald; and Grahame Morris, political strategist.

Panellists: Chris Bowen, Minister for Immigration and Citizenship; Malcolm Turnbull, Shadow Communications Minister; Nahji Chu, one-time refugee now successful restaurateur; Thierry de Duve, internationally acclaimed art theorist and critic; and Liz Ann Macgregor, Director of the Museum of Contemporary Art.

Panellists: Richard Ford, Pulitzer Prize-winning author; Joel Fitzgibbon, Government Whip; Greg Hunt, Shadow Climate Minister; Sarah Hanson-Young, Greens Senator; Jennifer Hewett, political journalist; and Peter Craven, literary critic.