Guest Stars Alex Tsitsopoulos as George Stathopoulos Kate McCartney as Dawn Steffen Schweizer as Gerhardt Diana Glenn as Imogen Cavanagh Sarah Banchi as Forensic Technician Brett Cousins as Ross Phillips Christopher Kirby as Levi Cavanagh Lawrence Leung as Ken Eliza Matengu D'Souza as Ainslie Emma Livesey as Tilly Phillips Lyn Asling as Woman at Bus Stop Max Gettler as Young Man Kim Ozalp as Cavanagh Patient Stefan Wreath as Suited Real Estate Worker