Featuring Ricky Gervais, Jane Goodall, Mulan star Tzi Ma, Dame Judi Dench, Downton Abbey stars Peter Egan and Lesley Nicol, Guns’n’Roses rockers Slash and Matt Sorum, and actors Olivia Newton-John AC DBE, Virginia McKenna OBE, Joanna Lumley OBE, James Cromwell, Alicia Silverstone, Louis Hofmann, Daniel Gillies, Celina Jade, Maggie Q, Dustin Nguyen, Kristin Bauer, Michelle Forbes, Tara Buck, poet Benjamin Zephaniah, Vietnamese TV Presenter Minh Trang Nguyen, musician Rick Wakeman and singers Han Geng and Mýa