Jason Donovan's agent has denied rumours that his client is to make a comeback in a West End revival of the 1974 musical Billy, based on the book, film and play Billy Liar. Rumours are also circulating about a Broadway musical based on the life of Lucille Ball. Casting suggestions include Bernadette Peters for the title role . . . Charlie Sheen on a fellow actor: 'How does Francis Ford Coppola, one of the greatest film-makers of our time, see Keanu Reeves's work and say, 'That's what I want in my movie'.' . . .