Guest Stars Lucas Blake as Sam Jones Kaitlyn Akinpelumi as Rachel Gibson Neve McIntosh as Georgia Simmons John McGrellis as Senior Male Officer Michael Starke as Eddie Foster Kent Riley as Bartender Simon Smithies as Site Manager Andrew Schofield as Kev Diallo Christine Walsh as Engineer Anton Fletcher as Bingo Caller Xsara-Sheneille Pryce as Archive Clerk Clio Davies as Bride To Be