Contestants trying to win the £250,000 jackpot included a fitness instructor, a support manager, a boxer, a minibus driver, a Royal Marine, an electrical engineer and a firefighter.
Returning for a new run in 2011, the contestants included a childminder, a paramedic, a primary school teacher, a marketing manager, a builder and a martial arts expert. Competing for charity in a one-off edition were 'Coronation Street' stars Ryan Thomas and Julie Hesmondhalgh.
Returning in March 2013, contestants included a competitive swimmer, a personal trainer, an occupational therapist, a police officer, a legal secretary, an estate agent and a physiotherapist. Olympic gymnast Louis Smith and TOWIE star Mark Wright competed in a charity edition.