Guest Stars Sarah Solemani as Lizzie Dawn French as Linda Emilia Fox as Scarlett Jordan Long as Len Paul Cawley as Alan Tom Basden as Noel Stephen Campbell Moore as Smoke David Calder as Mr. Reid Chandeep Uppal as Sabrina Rowena King as Wood John Warnaby as Ian Culverson Oliver Lansley as Sumner Rebecca Front as Cox Duncan Pow as Petr Rufus Jones as D.S. Brick Dan Skinner as D.I. Ireland