Angus MacNeil SNP MP for the Western Isles who became widely known for lodging a formal complaint with the Met Police regarding the Labour Party Cash for Peerages scandal in March 2006.

Kelvin MacKenzie As its editor from 1981-1994, established The Sun as Britain’s most popular daily paper. In 1998, bought ailing Talk Radio and turned it into a profitable sports station. He has now returned to The Sun as a columnist.

Denis MacShane Labour MP and former Minister of State for Europe who has twice run the London Marathon and is the fastest MP on skis. A member of the Privy Council. Has just written a biography of Edward Heath.

Howard Marks At one point, Marks was said to be trafficking up to one-tenth of the world's marijuana. After serving seven years in America's toughest federal penitentiary, he wrote his autobiography, Mr Nice and is now a vigorous campaigner for the legalisation of cannabis.

Bob Marshall Andrews Politician, barrister and Labour MP. One of Labour's most rebellious MPs. Member of the Socialist Campaign Group. Supports the total abolition of the House of Lords and the monarchy in favour of a single legislative chamber.

Robert McGeehan American expert on Transatlantic relations, associate fellow of Chatham House, member of The US discussion group and a member of Republicans Abroad.

Anne McIntosh Conservative MP for the Vale of York, and Shadow Minister for Foreign Affairs. Was recently nominated for the 'campaigning politician' award at the C4 political awards 2006.

David Mellor Former Tory politician. MP for Putney 1979-1997. Government Minister 1981-1992. Served in the Cabinet 1990-1992. Became a QC in 1987. Now runs his own international business consultancy and is Music Critic for the Mail on Sunday, and a football columnist for the London Evening Standard.

Sir Christopher Meyer Former British Ambassador to the US (1997-2003), and the current chair of the Press Complaints Commission. In 2005, controversially published his memoirs DC Confidential giving an insider's account of Tony Blair's march to war.

Fiona Millar Columnist specialising in education, former advisor to Cherie Blair, Chair of the National Family and Parenting Institute, mother of three children and Chair of Governors at Gospel Oak Primary School in North London.

Austin Mitchell MP for Grimsby since 1977. Former lecturer, journo, radio station director and DJ. Has been described as "brilliant, witty but erratic small-screen Yorkshire Don Quixote and incurable iconoclast". Supports withdrawal from the EU. Exec committee member of the Fabian Society.

Deborah Moggach Has adapted three of her novels, Seesaw, Stolen and To Have And To Hold for TV. Won a Writer’s Guild Award for her TV adaptation of Anne Fine's Goggle-Eyes. Most recent adaptation was 2005's Pride and Prejudice.

Christopher Moran Multi-millionaire financier and ardent supporter of Conservative values. Devoted student of the Tudor period and the infamous owner of the 85-room palace Crosby Hall in London and the 48,000-acre Glenfiddich sporting estate in Scotland.

Piers Morgan Controversial newspaper editor. Edited the Mirror 1995-2004. His book The Insider catalogues the major events during his editorship. In 2003, presented The Importance of Being Famous about how celebrities are covered by the modern media. Co-owns the Press Gazette.

Kate Muir Has lived in, and reported from, New York and Paris for The Times newspaper. Now writes an interview column for The Times magazine. Writer of Suffragette City and Left Bank.

Craig Murray Outspoken former UK ambassador to Uzbekistan, who was removed in 2004. Has since stood for parliament against his former boss Jack Straw and written 'Murder in Samarkand - A British Ambassador's Controversial Defiance of Tyranny in the War on Terror'.

Taji Mustafa Member of radical Muslim organisation Hizb ut-Tahrir.