Robin Dunne

Dean

Robert Knepper

Dr. Abbot

Sunny Mabrey

Sara

Amelia Cooke

Amelia

Christopher Neame

Dr. Nicholas Turner

Patricia Bethune

Colleen

Michael Warren

Agent Wasach

Natasha Henstridge

Eve

John Paul Pitoc

Hastings

Joel Stoffer

Portus

James Leo Ryan

Yosef

Savanna Fields

Young Sara

Reed Frerichs

ISD Staffer

Marc D. Wilson

Crew Chief

Matthew Yang King

Specialist Robert Kelley

Rick Dean

Cobb the Gas Station Guy

Christopher R. Gillum

Young Portus

Billy Bacon

Commander

Jim Cody Williams

Farmer at Gas Station

Mark Zecca

Tour Guest

Sean C. Ching

Grad Student

Dan Wells

Jake

Frank Crim

Communications Officer

Boni Yanagisawa

Female Student

Rob Hinderstein

Security Guard #1

Carl Ciarfalio

Security Guard #2

Troy Blendell

Autopsy Tech

Keith Camire

Military Soldier (uncredited)

Josh Cook

Jock (uncredited)

Joss Gomez

Student (uncredited)

Kari Ann Peniche

Cheerleader (uncredited)

Jason Sarcinelli

Adult Male Alien (uncredited)

Marc Scizak

Football Player (uncredited)

David Dwiggins

Producer

Brad Turner

Director

Paul Weber

Casting

Cameron Birnie

Production Design

Halina Siwolop

Set Decoration

Zora DeHorter

Casting

Kathleen Crawford

Makeup Department Head

Ben Ripley

Screenplay

Erin Carufel

Stunt Double

Rob Hinderstein

Creature Design

Debbie Evans

Stunts

Saeed Adyani

Still Photographer

Ivy Isenberg

Casting Associate

Dennis Feldman

Characters

Jim Vickers

Stunt Coordinator

Ken Glassing

Director of Photography

Todd Rex

Sculptor

Jalil Jay Lynch

Stunts

Ken Glassing

Camera Operator

Richard Redlefsen

Lead Painter

Marc Scizak

Stunts

Frank Mancuso Jr.

Executive Producer

Boni Yanagisawa

Utility Stunts

Jim Vickers

Choreographer

Kent Nelson

Key Hair Stylist

Gary Antista

Property Master

David S. Di Pietro

ADR Recordist

Phillip W. Palmer

Production Sound Mixer

Brent Rice

Leadman

Julián Navarro

On Set Dresser

Thomas D. Krausz

Set Dresser

Scott W. Leslie

Set Dresser

Marla McGuire

ADR Editor

Joel Harlow

Special Effects Makeup Artist

Jeff Hay

Set Dresser

James Coblentz

Editor

Maret Wicken

Painter

Jeannine Stevens

Set Dresser

Paul Drenning

ADR Mixer

Noel Vought

Foley Artist

Maggie Hayes-Jackson

Key Hair Stylist

Brendan C. Fenton

On Set Dresser

Stacey Michaels

Foley Mixer

Mark A. Lanza

Sound Effects Editor

Kurt Kassulke

Sound Re-Recording Mixer

Victor Iorillo

Supervising Sound Editor

Timothy Pearson

Foley Artist

Karl Sisson

CG Artist

Dennis Berardi

Visual Effects Supervisor

Kristy Blackwell

CG Supervisor

Allan Magled

Visual Effects Supervisor

Michelle Walsh

Assistant Editor

Jeff Jingle

Animatronics Supervisor

Matt Ralph

3D Animator

Steve Wittmann

CG Animator

Joel Harlow

Creature Design

Kay Kropp

Lead Painter

Jorge Razon

3D Animator

Daniel Lu

3D Animator

John Bocchicchio

Set Medic

Derek Sunderland

3D Animator

Barb Benoit

Digital Compositor

Sarah McMurdo

Visual Effects Coordinator

John Tamburro

Pilot

Mike Mombourquette

Digital Compositor

Betsy Bagg

Casting Assistant

Jeff Rosen

Sound Effects Editor

Gregory C. Tippie

Special Effects Coordinator

Paul Janossy

First Assistant Camera

Randy Beveridge

Colorist

Mark Della Rosa

3D Animator

Michael Kowalski

Visual Effects Producer

Heather Cappiello

Script Supervisor

Greg McCurley

Lighting Technician

Brad Kenny

Extras Casting

Jim Vickers

Fight Choreographer

Jef Lonn

Digital Compositor

Eric J. Robertson

Visual Effects Producer

Amy De Souza

Casting Assistant

Keith Sellers

3D Animator

Gary A. Williams

Dolly Grip

George Hesse

First Assistant Camera

Theo Kypri

Stunts

Alisa Hensley

Stunt Double

Elia Cmiral

Music

Lena Fennema

Stunt Double

Roel Failma

Stunts

Chris Daniels

Stunt Double

Casey Easlick

Stunt Double

Richard Bucher

Stunts

Jacob Chambers

Stunts

Michael Li

Stunts

Greg Fitzpatrick

Stunt Double

Jeff Wolfe

Stunts

Patrick A. Duffy

First Assistant Director

Jim Vickers

Second Unit Director

Peter Dress

Second Assistant Director

David Dwiggins

Unit Production Manager

Joe Celeste

Key Grip

Libby Minarik

Second Second Assistant Director

Steven Buhai

Second Second Assistant Director