Guest Stars Orla Russell as Poppy Chris Jenks as Callum Barker Amir El-Masry as Daniel Ramsay Nebras Jamali as Ali Bilali Jonathan Ajayi as Wes Harper Oscar Salem as Sam Kader David Elliot as Ross Sutherland Shannon Hayes as Nicole Lawson Noof Ousellam as Paul Townsend Tommy Sim'aan as Firas Zaman Hiba Medina as Sabiha Chapman Steven Elder as Derek McCabe Jordan Young as Compton Angus Yellowlees as Clothier Alastair Mackenzie as Anthony Chapman Craig Anthony-Kelly as Gunner Patrick Anders Hayward as Colin Dixon Jack Hesketh as Gunner Simmonds Martin Bell as Gunner Jansen