Guest Stars Jarod Joseph as Nathan Miller Sachin Sahel as Eric Jackson Tasya Teles as Echo Luisa d'Oliveira as Emori Chelsey Reist as Harper McIntyre Ty Olsson as Nyko Nadia Hilker as Luna Co Starring Chris Shields as David Miller Ben Sullivan as Riley Jarett John as Seiku Alex Pangburn as Hayes Joseph John Coleman as Taggart Will E. McDonald as Wilson Charles Zuckermann as Grizzled Warrior Craig Erickson as Arker Man Brad Bergeron as Stevens