When MJN Air is chartered to ferry a chamber orchestra, Carolyn has to deal with the mysterious Case Of The Poisoned Cashews, while Martin gets to run through all of the Seven Deadly Sins. And Arthur learns how not to pronounce "Szyszko-Bohusz", but does eat a lot of pudding. Starring Carolyn Knapp-Shappey ..... Stephanie Cole 1st Officer Douglas Richardson ..... Roger Allam Capt. Martin Crieff ..... Benedict Cumberbatch Arthur Shappey ..... John Finnemore Madame Szyszko-Bohusz ..... Britta Gartner Amsterdam ATC ..... Matt Green Maestro ..... Simon Greenall Written by John Finnemore. Produced & Directed by David Tyler A Pozzitive production for the BBC.