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