Guest Stars Gabrielle Green as Katrina MacKenzie Louisa Connolly-Burnham as Shannon Kelly Mark Fleishmann as Tim Jeffries Rachel Teate as Kara Shorelle Hepkin as Kay Jonathan Raggett as Jimmi Nahom Kassa as Sam Niek Versteeg as Liam Hunter Letty Butler as Dr. Rebecca Whitewood Mandeep Dhillon as Dacia Phillippa Wilson as Mrs. Vaughan Dean Bone as Harry Averwood Sharon Percy as Karen