从小就不合的两兄弟终于在老家阿拉斯加团聚，他们开始了一段2天的野外徒步旅行，怎料却惹上了一只巨大的灰熊，人熊大战就此展开.....
James Marsden
Rowan
Thomas Jane
Beckett
Piper Perabo
Michelle
Scott Glenn
Sully
Michaela McManus
Kaley
Billy Bob Thornton
Douglass
Adam Beach
Johnny Cadillac
Kelly Curran
Amber
Reese Alexander
Gerry Smith
Luisa d'Oliveira
Zoe Langford
Sean Owen Roberts
Franco
Bill Croft
Pike
Mariel Belanger
Mary Cadillac
Mark Acheson
Dooly
