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. An American visitor is joining Hut 33. He seems to be very wealthy and very gullible, which presents Charles with an irresistible chance to fleece him. Not only does he have more money than sense, but he also happens to be Roosevelt's nephew. Charles ...... Robert Bathurst Archie ...... Tom Goodman-Hill Minka...... Olivia Colman Gordon ...... Fergus Craig Mrs Best ...... Lill Roughley Joshua ...... Alex MacQueen.