Guest Stars Bernard Manning as John Prescott Janet Brown as Barbara Bush Nicki Chapman as Herself Stirling Gallacher as Ian Hislop's Mother Leilani Dowding as Herself Bobby Davro as Another Expert Tania Emery as D.C. Kate Spears Iain Fletcher as D.C. Rod Skase Tom O'Connor as Himself Andrew Mackintosh as D.S. Alistair Greig