Alan is well-known and much-loved for his performances in M.A.S.H. and The West Wing, as well as his roles in many Hollywood films.

Dr Mark Cross is senior psychiatrist at Campbelltown Hospital, where he runs the youth ward and the community team.

Raised by a side-show operator and a trapeze artist, Fred is now the last boxing tent showman in the world (R)

John's parents, Polish Jews, survived the holocaust and escaped after the Second World War to Australia, which was as far from Europe as they could get.

Ruth was raised in suburban Brisbane, and then Rockhampton, in what seemed from the outside to be a very straightforward family.

Liz is probably best known for her international best-seller Eat, Pray, Love.

Andrew has walked across the Simpson Desert many times, accompanied only by his camels, and his dog.

Vic Simms grew up on an Aboriginal mission in Sydney's La Perouse in the 1950s.

Lisa is a Harvard-trained neuroscientist and bestselling writer.

Josh Richards is one of the remaining 'Mars 100' from an initial field of 200,000 applicants.