Mary Elizabeth Winstead ... Kate Lloyd
Joel Edgerton ... Carter
Ulrich Thomsen ... Dr. Sander Halvorson
Eric Christian Olsen ... Adam Finch
Adewale Akinnuoye-Agbaje ... Jameson
Paul Braunstein ... Griggs
Trond Espen Seim ... Edvard Wolner
Kim Bubbs ... Juliette
Jørgen Langhelle ... Lars
Jan Gunnar Røise ... Olav
Stig Henrik Hoff ... Peder
Kristofer Hivju ... Jonas
Jo Adrian Haavind ... Henrik
Carsten Bjørnlund ... Karl
Jonathan Walker ... Colin (as Jonathan Lloyd Walker)
At an Antarctica research site, the discovery of an alien craft leads to a confrontation between graduate student Kate Lloyd and scientist Dr. Sander Halvorson. While Dr. Halvorson keeps to his research, Kate partners with Sam Carter, a helicopter pilot, to pursue the alien life form.
