Guest Stars Adrienne Pickering as Nurse Corinne Syddell Shantae Barnes-Cowan as Peggy Benedict Wall as Jones 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 William Zappa as Sir Rupert Edgely Brandon Walters as Billy Michael Denkha as Doug Wakarra Gondarra as Tom Kevin MacIsaac as Bernie Lucy Rawley as Carmen Merrick Watts as Captain Jack Allen Dean Gould as Driver Martin Broome as Henskens