Guest Stars Adrienne Pickering as Nurse Corinne Syddell Benedict Wall as Jones Shantae Barnes-Cowan as Peggy Alexander Bertrand as Murphy Alan Dukes as Philip Lachlan MP Brenden Lovett as Dr. Williams Sam Parsonson as Hilly Frances Djulibing as Ruby Shaka Cook as Sam Bojana Novakovic as Molly Harry Greenwood as Baxter Matthew Backer as Dr. Myer Nicholas Hope as Dr. Breston Philip Quast as Professor Quentin Ratchett Lucy Velik as Yvonne Julian Garner as St. John Moore Sean O'Shea as Dr. Lewis Roland Powell voices News Narrator Christina Sankari as Lydia John Gaden as Swanny Mackenzie Fearnley as Dave Michael Denkha as Doug Brandon Walters as Billy Wakarra Gondarra as Tom William Zappa as Sir Rupert Edgely Kevin MacIsaac as Bernie Lucy Rawley as Carmen Merrick Watts as Captain Jack Allen Dean Gould as Driver Martin Broome as Henskens