It was further announced on 11 March 2007 that there would be a spin-off show on weekday evenings called Castaway: The Last 24 Hours.
The spin-off show, Castaway Exposed was broadcast on BBC Three, presented by Richard Bacon.
This was seen by commentators as a way of moving the show out of prime-time, as its viewing figures had halved since the launch episode.
[1] A number of locations in New Zealand were touted including Durville, Slipper, Rotoroa, Forsyth and Arapawa Islands.
Alasdair 'Lil Al' Humberston - (finished 3rd) - 19, from Northamptonshire, is on a double gap year before starting a degree in business.
Alister 'Big Al' Cooling - (finished 6th) - 24, from Leeds describes himself as a science fiction fan writer.
A self-confessed couch potato, Al jokingly lists his friends to be the TV, the computer and the Hi-Fi.
She describes herself as an intellectual and is a speaker of five languages - English, German, French, Spanish and Thai.
Catrin 'Cat' Lye - (finished 7th) - 20, from Cardiff is a Psychology student who describes herself as outgoing, excitable, very talkative and very argumentative.
She says: I'm a 'normal' Welsh girl ready to represent Wales and show we're not all weird, stupid and blonde!"
Francie Smee - (finished 2nd) - 56, recently divorced after 20 years of marriage and started a new life in Oxford.
She has three grown-up daughters, and describes herself as tall, bossy, fun and adventurous with a passion for outdoor life.
Her skills include cooking, gardening, hiking, cycling, DIY, hunting and trapping.
In February 2014, Francie appeared on ITV game show Tipping Point, being eliminated in Round 3.
He says: "I'd like to gain a sense of self, a deeper respect for life and learn how to cope with the bare essentials."
He says: "I will occupy myself by playing hide and seek, telling jokes doing treasure hunts and dancing like a doughnut!"
Jonathan Shearer - (finished 1st) - 41, has spent many years as a migrant worker around the world - mainly working as a teacher.
He says: "I have a strong dislike for the kind of deeply earnest, green, touchy-feely idiots whom I suspect you are going to populate your island with."
Kenneth 'Ken' Rose - (finished 8th) - 65, from Essex spent 22 years in the Royal Marines and says he's still a military man at heart.
After she was caught stealing from the production team, on 7 May the other castaways had to choose whether Lucinda should stay and be punished, or send her home immediately; they chose the latter, making her the third person to leave the island.