Mark Carwardine is a zoologist, writer, photographer, consultant and broadcaster with a special interest in marine wildlife. He has written more than 40 books, including several bestsellers, and presents Nature and a wide variety of other natural history programmes on BBC Radio 4. A keen diver for many years, he leads shark and whale-watching holidays to many parts of the world and is an ardent supporter of several wildlife conservation organisations.
Stephen Fry is one of Britain's national treasures and his television appearances include 'A Bit Of Fry and Laurie', 'Jeeves and Wooster', 'Blackadder', 'QI' and 'Kingdom'.
His film roles include 'Peter's Friends' and 'Wilde'; and in the realm of television, the Emmy-award-winning 'The Secret Life of a Manic Depressive'. As a writer, he best known for his novel The Liar as well as his acclaimed autobiography Moab Is My Washpot, and his is the famous voice of the Harry Potter audio books.