Guest Stars Esther Hall as DI Nina Ryman Ben Tavassoli as Zak Latif Michael Wildman as DI Joe Curtis Abigail Hardingham as Sarah Begovic Jessica Collins as Young Alma Begovic Steven Cree as DS Rob McRae Richard Dillane as DCI Michael Waite Wanda Opalinska as Alma Begovic Amy Jayne as Young Sarah Begovic Raji James as Kamal Rachid Assad Raja as Amir Aziz Yasmin Wilde as Hana Rachid Emma Keele as Chloe Gilchrist