Guest Stars Jassa Ahluwalia as Adam Stuart Colin R. Campbell as Detective Superintendent Andrews Mark Bonnar as Colin Osborne Lorraine Ashbourne as DI Tessa Nixon Nigel Lindsay as Tony Kelsey Rosie Cavaliero as Marion Kelsey Adeel Akhtar as Hassan Mahmoud Badria Timimi as Sara Mahmoud Charlie Condou as Simon Will Brown as Jason Walker Amy Jayne as Flo Josef Altin as Tyler Bryony Hannah as Cath Jodie Tyack as Zoe Daniel Gosling as David Walker Katherine Jakeways as Nicola Mohammed Amiri as Ali Mahmoud Maggie O'Neill as Ellen Price Sharon D. Clarke as Chantelle Blisset Raad Rawi as Tariq James Greene as Neighbour Avital Abregan as Maria Gonzalez Karene Peter as PC Grant