Guest Stars Faye Marsay as Joanne Aspinall Alastair Mackenzie as Guy Riverty Steven Cree as Joe Kallisto Nell Williams as Sally Kallisto Indeyarna Donaldson-Holness as Lucinda Riverty Rico Canadinhas as Fergus Riverty Macy Shackleton as Abby Hill Leo Ashton as Sam Kallisto Camilla Marie Beeput as Alexa Charlie Carrick as Winston Hill Gerald Kyd as Scott Elias Jake Hayes as James Kallisto Matthew Aubrey as Wayne Carl Rice as Pete Toovey Steve Toussaint as Adam Nicola Duffett as Jackie Audrie Woodhouse as Louise Elias Caitlin Taylor as Keisha