Guest Stars Aislín McGuckin as Aoife Jemma Moore as Mia Falshaw Meena Rayann as D.I. Zari Abbas Hannah Rae as Star Lewis Griffiths as Jay Prain Craig Miller as Sean Jones William Frazer as D.S. Trent Bella Maclean as Sara Mendes Julie Legrand as Harriet Pugh Pooja Shah as Usha Jakhar Christopher Staines as John Davenport Rebecca Johnson as Lucy Jenkins