Guest Stars Gabrielle Green as Katrina MacKenzie Louisa Connolly-Burnham as Shannon Kelly Mark Fleishmann as Tim Jeffries Shorelle Hepkin as Kay Rachel Teate as Kara Nahom Kassa as Sam Jonathan Raggett as Jimmi Niek Versteeg as Liam Hunter Siwan Morris as Ceri Clara Onyemere as Miss Parrish Cerith Flinn as Aran Mandeep Dhillon as Dacia Lisa Marged as Meinir Phillippa Wilson as Mrs. Vaughan Dean Bone as Harry Averwood Jonah Rice as Ollie Robbie Farrell as Joe Viktoria Kay as Dr. Losey