Jack was 5'8" tall.
Jack's ex-wife, Gaynor, was once backup singer to David Essex.
Jack: I'm thought of as a celebrity. Everything I've ever done...has been for children. As long as I was working constantly, that was fine, because, although I don't have any children, I do relate better to them than adults.
Jack: Until I was diagnosed with mouth cancer, I'd never heard of it. What I learned very quickly was that my lifestyle had made me a walking time bomb. I was a heavy smoker and an even heavier drinker and apparently together they are a deadly mixture.