Channel 4’s brand new game show Benchmark, fronted by the inimitable Paddy McGuinness, is set to take its teatime quiz to a primetime slot with a star studded line-up for 5 fun-packed celebrity specials. One celebrity contestant on each show could make up to £50,000 for their chosen charity, with the help from 10 celebrity ‘Benchmarkers’. Each episode will see 11 celebrities play, and the head-to-head at the beginning of the show will determine who will become the main contestant. The remaining 10 celebrities will answer the tricky numerical general knowledge questions and their answers will set the benchmark. Then, all the contestant has to do is decide whether the correct answer is higher or lower. The incredible line-up of Benchmarkers includes Jimmy Carr, Vic Reeves, John Thomson, Mark Watson, Joey Essex, James Haskell, Lesley Joseph, Amanda Byram, Edwina Currie and Jason Byrne – pictured here in an on-set selfie, which just happened to be part of the game…