Guest Stars Orla Brady as Catherine Tobias Menzies as Raymond Sacha Dhawan as Vincent Sinéad Cusack as Meg Dan Li as Hatsuto Nigel Whitmey as Lowe Molly Jones as Scarlet Vera Filatova as Svetlana Antonia Thomas as Maddy Ron Donachie as Sturridge Nicholas Pinnock as Goodison Shonagh Price as Sandra