Guest Stars David Richmond-Peck as Commander Nieman Torri Higginson as Commander Delaney Truffault Amanda Brugel as Keeley Rob Stewart as Nassan Chloe Rose as Mireille Co Starring Pat Mastroianni as Hagen Kjartan Hewitt as Sergeant Voss Sean Arbuckle as Captain Salehi Alex Courey as Miner Tomas