Guest Stars Raza Jaffrey as Jack Oliviera Oliver Chris as Guy Cavendish Abhin Galeya as Raz Farooqi Alexander Karim as Lars Nordström Julie Graham as Susan Fisher Elizabeth Dulau as Louise Pennycook Dean Ridge as Simon Segman Jennifer Macbeth as Tessa Joseph Aurora Jones as Maggie Cavendish Joe Thomas as Matt Malyon Haydn Gwynne as Anne MacDiarmid Tareq Al-Jeddal as Callum Wares Carolin Stoltz as Brigitta Nordström Naomi Yang as Mae Zhang Mat Fraser as Steve Sabina Arthur as Kim Allerton Dylan Hughes as Jakub Angela Wityszyn as Kateryna Aliona Baranova as Zoya Lily Nichol as Sarah Debbie Brannan as Emily Rachel Lumberg as Clare James Foster as Robert Massie Luke Ayres as Jayden