Kevin Zegers as Sam

Laurence Fishburne as Briggs

Bill Paxton as Mason

Charlotte Sullivan as Kai

John Tench as Viktor

Atticus Mitchell as Graydon

Dru Viergever as Feral Leader

Romano Orzari as Reynolds

Earl Pastko as Scientist

Lisa Berry as Nara

Lucius Hoyos as Rowan

Michael Mando as Cooper

Eric Murdoch as Terrified Man

Kimberly-Sue Murray as Janelle

Julian Richings as Leland

John Healy as Dexter

Kristin Shepherd as Elena

Sten Eirik as Hal

Alex Paxton-Beesley as Terrified Woman

Mitchell Nye as Young Sam