Guest Stars Orla Russell as Poppy Lois Chimimba as Tara Kierly Bobby Rainsbury as Cronin Cristian Ortega as Anderton Reuben Joseph as Porter Anita Vettesse as Petty Officer Jackie Hamilton Oliver Lansley as Mark Hill Therese Bradley as Laura Michaels Aisha Toussaint as Cat Dan Li as Hennessy Nebli Basani as Digital Operations Officer Fode Simbo as Abiola Lisa Livingstone as Arena Office Manager Michael MacKenzie as Gordon Torrens Anne Kidd as Morag Torrens Robin Laing as Miller Gerry Lynch as Peace Camper