Definately TOM, of course. As well as Peter Davison, Colin Baker, Sylvester McCoy, Paul McGann, Christopher Eccleston, David Tennant, Matt Smith, Billie Piper, Freema Agyeman, John Barrowman, Catherine Tate, Karen Gillan, Russell T Davies, Julie Gardner, Steven Moffat, Murray Gold, Elisabeth Sladen, Eve Myles, John Simm, Noel Clarke(I know, a lot of people!
), and plenty of others.
As well, I'd love to meet The Incredible Hulk himself: Lou Ferrigno.
" 'Wibbsey' would be a wonderful word for pillow talk, wouldn't it? Especially if you said it softly..."
Doctor Who Magazine #425 (Interview)