Guest Stars Alex Eastwood as Luke Eve Prenelle as Ava Alun Armstrong as Jim Joanna Bacon as Jackie Patrick Baladi as Darren Jordan Nash as Jacob Indra Ové as Keeley Nabil Elouahabi as Dean Co Starring Aliyah Sesay as Grace Ben Allen as Isaac Elena Saurel as Martina Lillia Leyla Rustem as Chloe