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