Kevin Zegers
Sam
Groups of people - colonies - are forced underground due to another ice age. Colony 7 goes to check on Colony 5, which they lost contact with. When they get there they find that the colony has fallen and there is a whole new enemy that they have to face on their way back.
Sam
Briggs
Mason
Kai
Viktor
Graydon
Feral Leader
Reynolds
Scientist
Nara
Rowan
Cooper
Terrified Man
Janelle
Leland
Dexter
Elena
Hal
Terrified Woman
Young Sam
Director
