Guest Stars Faye Marsay as Joanne Aspinall Steven Cree as Joe Kallisto Rico Canadinhas as Fergus Riverty Alastair Mackenzie as Guy Riverty Nell Williams as Sally Kallisto Indeyarna Donaldson-Holness as Lucinda Riverty Leo Ashton as Sam Kallisto Macy Shackleton as Abby Hill Camilla Marie Beeput as Alexa Gerald Kyd as Scott Elias Charlie Carrick as Winston Hill Matthew Aubrey as Wayne Aylin Tezel as Nina Jack Lamb as Barman Anna Krippa as Gemma