Carol Vorderman and Rachel Riley to celebrity fame during their time on the Channel 4 show. But did you know there were a few contestants that went on to be famous after they appeared on the hit series.Well, BAFTA award-winning comedian Alex Horne did just that, as did respected writer John Diamond, Gogglebox star Josef Kollar and former pop star Jon Marsh.Daily Star have taken a look at where the former contestants are now.Nineties pop star Jon was a huge success on Countdown, winning eight matches before a stellar run to the semi-finals.The Brit Award-nominated hitmaker was only beaten by the eventual 1987 series champion, but can take plenty of plaudits for his fine quiz run.Jon, now 56, formed the successful post-punk/new wave band The.
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