A group of humans arrive on Sirius 6-B to investigate an SOS signal sent out from the planet, which has been supposedly deserted since the destruction of the man-made weapons known as "screamers." Once the squad arrives, they find a group of human survivors eking out an existence in an old military outpost.
Gina Holden
as Lt. Victoria Bronte
Jana Pallaske
as Schwartz
Lance Henriksen
as Orsow
Greg Bryk
as Cmdr. Andy Sexton
Christopher Redman
as Rafe Danielli
Tim Rozon
as Madden
Dave Lapommeray
as Sgt. Romulo
Jody Richardson
as Soderquist
Stephen Amell
as Guy
Lynley Hall
as Jessie
Holly Uloth
as Hannah
Darryl Hopkins
as Dwight