Guest Stars Tom Price as Andy Davidson Nicholas Farrell as Brian Green Lucy Cohu as Alice Carter Peter Capaldi as John Frobisher Luke Perry as David Davies Katy Wix as Rhiannon Davies Cush Jumbo as Lois Habiba Julia Joyce as Holly Frobisher Ian Gelder as Mr Dekker Susan Brown as Bridget Spears Madeleine Rakic-Platt as Lilly Frobisher Liz May Brice as Johnson Hilary MacLean as Anna Frobisher Aimee Davies as Mica Davies Rhodri Lewis as Johnny Davies Bear McCausland as Steven Carter Louise Minchin as Newsreader Simon Poland voices 456 Colin McFarlane as General Pierce Deborah Findlay as Denise Riley Lorna Bennett as Female Teacher Rhiannon Oliver as Mum
