Jeff Goldblum has confirmed he will star in 'Wicked'.There had been speculation that the 70-year-old actor would play the Wizard in Jon M. Chu's adaptation of the Broadway musical and Jeff is now admitting he is part of the project.Speaking during an appearance on 'Jimmy Kimmel Live!', he said: "I was just on this set of 'Wicked'. I’m not supposed to talk about that, but it’s been out and about."Speaking about his co-stars, he said: "You should see our witches, Cynthia Erivo and Ariana Grande, very good.”He went on to add: "I shouldn’t talk about it, but I was shooting one day, and I found myself tearing up in fear, a childhood fear came back to me."He explained that he told his co-star Cynthia - who plays Elphaba - about a childhood nightmare he had about a "very scary queen/witch,...