Guest Stars Michael Wildman as DI Joe Curtis Steven Cree as DS Rob McRae Jessica Collins as Young Alma Begovic Esther Hall as DI Nina Ryman Ben Tavassoli as Zak Latif Abigail Hardingham as Sarah Begovic 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