Guest Stars Adrienne Pickering as Nurse Corinne Syddell Shantae Barnes-Cowan as Peggy Alexander Bertrand as Murphy Alan Dukes as Philip Lachlan MP Brenden Lovett as Dr. Williams Shaka Cook as Sam Benedict Wall as Jones Frances Djulibing as Ruby Sam Parsonson as Hilly Bojana Novakovic as Molly Natasha Bassett as Nurse Alice Harry Greenwood as Baxter Philip Quast as Professor Quentin Ratchett Angus McLaren as Dalgliesh Julian Garner as St. John Moore Lucy Velik as Yvonne Ryan Johnson as Agent Martin Sibylla Budd as Lorraine Carmichael Andrew Ryan as Agent Cartwright Mackenzie Thomas as Emma Carmichael Christina Sankari as Lydia Jack Ruwald as Harry Carmichael Heather Mitchell as Caroline Syddell Socratis Otto as Terry Ryan MP Erroll Shand as Lenny Tate Dee as Justin Marley Dee as Justin's Sister Victoria Haralabidou as Maria Randall Mettam as Corporal Luke Pegler as Nick Alan Flower as Jack Dunne