Guest Stars Judd Lormand as Lt. Commander Eric Blackburn Alona Tal as Stella Baxter C. Thomas Howell as Ash Spenser Michaela McManus as Alana Hayes Brian Howe as Oliver Carter Christopher Rivas as Keith Fazzano Ray Campbell as Mr. Langston Paul Cassell as Rick Gil Darnell as Jakub Kowal Co Starring Tyler Grey as Trent Sawyer Justin Melnick as Brock Reynolds Zoran Radanovich as Luka Baljic Bernadette Speakes as Woman Gemma Brooke Allen as Terrified Child #1 Alen Toric as Lucaz Larissa Vereza as Tourist Woman Callum Joyce as Terrified Child #3 Caige Coulter as Terrified Child #2 Lindalee Rose as Terrified Child #4