Guest Stars Elyes Gabel as Umar Juliet Cowan as Claire Kelly Madeline Duggan as Amy Chester Amy Wren as Shannon Kelly Sanjeev Bhaskar as Abdul Aziz Emma Amos as Trudie Thusita Jayasundera as DS Ayesha Masood Sam Troughton as DI Johnny Vickers Faraz Ayub as Fawad Naveed Choudhry as Kamran Tony Jayawardena as Younis Chloé-may Cuthill as Hannah Lizzie Roper as Sandra Ashwin Bolar as Salman Georgia Bourke as Lauren Glenn Doherty as Kevin Thompson Valerie Gogan as Jane Reid Doreene Blackstock as Second nurse Joe Tucker as Vernon Reid Ranjit Krishnamma as Night Clerk Thushani Weerasekera as Third nurse