Colin Sell Colin Sell Colin Sell (born 1 December 1948) is a British pianist who has appeared on the radio panel games "Whose Line Is It Anyway?" and "I'm Sorry I Haven't a Clue". He has become famous mostly for his long service on the latter show, where the opening credits are "At the piano is Colin Sell, and your chairman is Humphrey Lyttelton/Jack Dee", in the manner of the show none of the panelists are credited in the opening credits, but are introduced by the chairman, usually in a sarcastic manner ("the foremost available comedians. I'm sorry. The four "most available"
I'm Sorry I Haven't a Clue who has worked on the show since 1992. "I'm Sorry I Haven't a Clue" developed from the long-running radio sketch show "I'm Sorry, I'll Read That Again", the writers of which were John Cleese, Jo Kendall, David Hatch, Bill Oddie, Tim Brooke-Taylor and especially Graeme Garden who suggested the idea of an unscripted show which, it was decided, would take the form of a parody panel game. A panel game with no competition was not itself a new idea: the BBC had a history of successful quiz shows designed to allow witty celebrities to entertain where winning was not important.