Former BBC producer Wilfred De'Ath was arrested last year over an allegation of indecent assault.
He told BBC the time he spent on police bail was a "very, very unpleasant experience".
"I feel very bitter - I'm totally innocent", he added.
Operation Yewtree covers three strands: claims against Savile, those involving Savile and others, and those involving others.
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The pensioner, who is in her 70s, says her daughter has suffered from Huntington's disease.
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John Noakes was Blue Peter's longest-serving presenter.