Guest Stars Jarod Joseph as Nathan Miller Sachin Sahel as Eric Jackson Chelsey Reist as Harper McIntyre Alessandro Juliani as Jacapo Sinclair Erica Cerra as Alie Michael Beach as Charles Pike Jonathan Whitesell as Bryan Donna Yamamoto as Hannah Green Rhiannon Fish as Ontari Co Starring Chris Shields as David Miller Shaine Jones as Shawn Gillmer Christian Sloan as Ambassador Uzac Brad Kelly as Lead Grounder Ryan Hesp as Man Uncredited Thomas McDonell as Finn Collins