Richard Coles, Toyah Wilcox, Sharron Davies

Sam Thompson, Suzi Ruffell, Stephen Mangan

Richard Madeley, Sheila Ferguson, Mark Wright

Judge Rinder, Josie Gibson, Greg Rutherford

Fern Britton, Iain Stirling, Mark-Francis Vandelli

Melvin Odoom, Tom Allen, Patti Clare

Comedian Jason Manford, athletics legend Iwan Thomas and the lovely Debbie McGee will each need the quick wits and nerves of steel if they're to capture the prize.