Guest Stars Karin Konoval as Doctor Pelton Rowan Blanchard as Alexandra Cavill Steven Ogg as Pike Aaron Glenane as Murray "The Last Australian" Renée Victor as Mama Grandé Timothy V. Murphy as Commander Nolan Grey Shaun Toub as Terence Co Starring Miranda Edwards as Lights Emma Oliver as Winnie Kwasi Thomas as Z-Wreck Fiona Vroom as Ms. Gillies Kurt Ostlund as Strong Boy Ian Collins as Tristan Brent Stait as Tunnelman Jakes Carter Manoj Sood as Rajiv Sharma Kelly-Ruth Mercier as Annie Stephen Lobo as Martin Colvin Yee Jee Tso as York Lam Amanda Brugel as Eugenia Grace Sunar as Young Alex Mark Krysko as Ragged Soldier Shalyn Ferdinand as Wilford Thirdie Karl Mercer as Thirdie Eric Bempong as Tailie Boy Jazmine Campanale as Weird Woman Katrina Kardynal as Tailie Girl