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 Hiba Medina as Sabiha Chapman Jordan Young as Compton Dominic Mafham as Sir Ian Downing Naomi Stirrat as Arlene Royce Tania Rodrigues as Emma Millington Nowras Tharb as Wudyani Airport Officer