Guest Stars Elyes Gabel as Umar Sanjeev Bhaskar as Abdul Aziz Madeline Duggan as Amy Chester Amy Wren as Shannon Kelly Sam Troughton as DI Johnny Vickers Thusita Jayasundera as DS Ayesha Masood Faraz Ayub as Fawad Juliet Cowan as Claire Kelly Naveed Choudhry as Kamran Glenn Doherty as Kevin Thompson Georgia Bourke as Lauren Ashwin Bolar as Salman Chloé-may Cuthill as Hannah Tony Jayawardena as Younis Lee Nicholas Harris as Prison Officer Emma Amos as Trudie Lizzie Roper as Sandra Chizzy Akudolu as Nurse Joseph Long as Costas Sue Kelvin as Cheryl Dear Anil Goutam as Older man Sarah Lowe as Witness