Guest Stars Alison O'Donnell as DI Alison "Tosh" McIntosh Steven Robertson as DC Sandy Wilson Erin Armstrong as Cassie Perez Bill Paterson as James Perez Stewart Porter as Sgt Billy McBride John Lynch as Frank Blake Lorne MacFadyen as Angus Tulloch Anthony Howell as Peter Latimer Ann-Louise Ross as Mary Perez Michael Nardone as Donnie Tulloch Susan Vidler as Isobel Tulloch Keith Ramsay as Joe Blake David Ireland as Finlay Caulfield Julie Hale as Tessa Warren Leigh Biagi as Anna Blake Paksie Vernon as Gina Bradley David Annen as Bill Warren
