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. Charles and Archie jump at the chance of going to Iraq, but the posting turns out not to be as cushy as it first seemed. Charles ...... Robert Bathurst Archie ...... Tom Goodman-Hill Minka...... Olivia Colman Gordon ...... Fergus Craig Mrs Best ...... Lill Roughley Joshua ...... Alex MacQueen.