David Paetkau

Dale

Sam Trammell

Tim

Steven Pasquale

Dallas Howard

Reiko Aylesworth

Kelly O'Brien

John Ortiz

Sheriff Eddie Morales

Johnny Lewis

Ricky

Ariel Gade

Molly O'Brien

Kristen Hager

Jesse

Robert Joy

Col. Stevens

Ian Whyte

Predator

Tom Woodruff Jr.

Alien

Chelah Horsdal

Darcy

Meshach Peters

Curtis

Matt Ward

Mark

David Hornsby

Drew

Chris William Martin

Deputy Ray

James Chutter

Deputy Joe

Phil Buhler

Deputy

Kevin Haaland

Deputy

Gina Holden

Carrie

Kurt Max Runte

Buddy

Liam James

Sam

Tim Henry

Dr. Lennon

Tom McBeath

Karl

Ty Olsson

Nathan

Anthony Harrison

Ritchie

Lloyd Berry

Homeless Harry

Rekha Sharma

Nurse Helen

Catherine Lough Haggquist

Tina

Victoria Bidewell

Pregnant Sue

Dalias Blake

Lt. Wood

Tim Perez

Mr. Thomas

Rainbow Sun Francks

Earl

Juan Riedinger

Scotty

Val Cole

Broadcaster

Andrew Hedge

Tank Driver

Ryan Robbins

Truck Driver

Curtis Caravaggio

Special Forces Commander

Françoise Yip

Ms. Y

John Wardlow

Homeless Guy

Nesta Chapman

Homeless Lady

Ian Feuer

Additional Predator

Bobby 'Slim' Jones

Additional Predator

Glen Brkich

National Guard

Jay-Lyn Green

Pregnant Woman

Lili Wexu

Pregnant Woman

Adrian Hough

ER Resident Doc

Karen van Blankenstein

ER Doctor #2

Shareeka Epps

Kendra (uncredited)

Michal Suchánek

Nick

Frank Meschkuleit

Additional Performances (puppeteer)