Jeffrey Wigand still can’t believe he is the main character in a Hollywood blockbuster. “Are you kidding me? I didn’t think I’d survive.”

It has been more than five years since the man now known as the first tobacco industry whistleblower became the most senior executive to break ranks. But neither “The Insider”, the Oscar-nominated film starring Al Pacino, nor the publicity that surrounded Wigand’s crusade against big tobacco companies has bestowed on him even the slightest touch of celebrity.

I expected to meet a bitter and emotionally withered man who, after an infamous 1995 interview with CBS’s Mike Wallace, would carefully measure every word he uttered to a reporter. But I couldn’t have been more wrong…