Harry Potter star Rupert Grint, Downton Abbey's Michelle Dockery and national treasures Stephen Fry and Julie Walters think you should go on holiday in Britain this year. 

Whether or not you agree, this video of them filming the TV ad for Visit England (followed by the ad itself) is worth a watch for some gorgeous scenery and locations, some poetic entreaties about the places on our doorsteps, a fancy costume or two and even Rupert Grint in a wet suit...