Sitcom by James Cary, set in Bletchley Park in 1941. Three code-breakers are forced to share a draughty wooden hut as they try to break German ciphers. Unfortunately, they hate each other. The staff have to get their yellow fever vaccinations. The only problem is Charles is too much of a snob to be injected by an Australian doctor, Archie is scared of needles and Gordon still needs a note from his mum. Charles ...... Robert Bathurst Archie ...... Tom Goodman-Hill Minka...... Olivia Colman Gordon ...... Fergus Craig Mrs Best ...... Lill Roughley Joshua ...... Alex MacQueen.