Paul O'Grady (Blankety Blank) - 2 heart attacks behind him (60)
Anne Robinson (Weakest Link) - former alcoholic and has had skin cancer (71)
Henry Kelly (Going for Gold) (69)
and pushing it a bit
Prof Heinz Wolff (Great Egg Race) - 87
Bibliogryphon - I didn't realise Bamber was still above ground until reading your post (81). Bing Bong Bamber, Bamber Gascoigne.
Another pretty obscure one that I didn't include
Steve Jones - The Pyramid Game now aged 72.