Guest Stars Lachlan Murdoch as Constable Henry Higgins Clare McConnell as Effie Newsome Peter Stebbings as James Pendrick Steffi Didomenicantonio as Melody Struthers Hannah Spear as Ernestine Sandford Alison Smiley as Amateur Astronomer Daniel Beirne as Ian Vagle Rod Wilson as Mason Bartman Chris Hadfield as Chris Hadfield Sean Rey as Kenvyn Wiley
