A stellar British cast line up for Sky1 HD's third outing into Sir Terry Pratchett's Discworld. Richard Coyle and David Suchet headline an all-star ensemble that includes Charles Dance, Claire Foy, Andrew Sachs, Steve Pemberton and Tamsin Greig. / Going Postal is a story of sweet romance and dark revenge set against an ongoing dispute between a traditional postal system and Discworld's equivalent of the internet (Clacks). (Source: SKY)