| Person | Type | Job | Role(s) |
|---|---|---|---|
 Allen Hurd | Crew | Sound | Sound Recordist |
 Andrew Rona | Crew | Production | Co-Executive Producer |
 Bob Weinstein | Crew | Production | Executive Producer |
 Dan Bradley | Crew | Crew | Stunt Coordinator, Second Unit Director |
Daniel Bradford | Crew | Art | Art Direction |
 David C. Williams | Crew | Sound | Original Music Composer |
Dean Beville | Crew | Sound | Sound Designer |
 Dean R. Koontz | Crew | Writing | Screenplay, Executive Producer, Novel |
Deborah Raymond | Crew | Art | Production Design |
Don Phillips | Crew | Production | Casting |
Dorian Vernacchio | Crew | Art | Production Design |
Elisabeth Flaum | Crew | Sound | Sound Effects Editor |
 Enrique Cerezo | Crew | Production | Associate Producer |
Greg Littlewood | Crew | Camera | Additional Photography |
 Harry Cohen | Crew | Sound | Sound Designer |
 Harvey Weinstein | Crew | Production | Executive Producer |
Jason Lezama | Crew | Sound | Foley Editor |
Joe Chappelle | Crew | Directing | Director |
 Joel Harlow | Crew | Costume & Make-Up | Special Effects Makeup Artist |
 Joel Soisson | Crew | Production | Producer |
 Kathy Jarvis | Crew | Crew | Stunts |
Ken Larson | Crew | Art | Art Direction |
Lane Leavitt | Crew | Crew | Stunts |
Laurie Borg | Crew | Production | Line Producer |
Leah Rial | Crew | Costume & Make-Up | Key Makeup Artist |
Michael Kamper | Crew | Sound | Sound Effects Editor |
Michael Leahy | Crew | Production | Producer |
 Mickey Giacomazzi | Crew | Crew | Stunts |
Paul Berolzheimer | Crew | Sound | Sound Effects Editor |
Randy Bricker | Crew | Editing | Editor |
Richard Clabaugh | Crew | Camera | Director of Photography |
Rob Hinderstein | Crew | Costume & Make-Up | Special Effects Makeup Artist |
Robert Pringle | Crew | Production | Producer |
Steven A. Lane | Crew | Production | Producer |
Trip Brock | Crew | Sound | Sound Effects Editor |
Vance Hartwell | Crew | Costume & Make-Up | Special Effects Makeup Artist |
 Amanda Carroll | Crew | Costume & Make-Up | Key Makeup Artist |
Paul Curtis | Crew | Sound | ADR Editor |
Ricardo Broadus | Crew | Sound | Sound Effects Editor |
Richard Potter | Crew | Production | Co-Executive Producer |
Barbara Cole | Crew | Art | Set Decoration |
Dana Litwack | Crew | Costume & Make-Up | Costume Design |
Yoji Kurokami | Crew | Production | Co-Executive Producer |
Richard Chaim | Crew | Sound | Sound |
Alan Kerr | Crew | Sound | Foley Artist |
 Adam Nelson | Cast | Actor | Scientist Burke |
 Ben Affleck | Cast | Actor | Sheriff Bryce Hammond |
 Bo Hopkins | Cast | Actor | Agent Hawthorne |
 Clifton Powell | Cast | Actor | Gen. Leland Copperfield |
 Clive Rosengren | Cast | Actor | Commanding Officer |
 Dean Hallo | Cast | Actor | Sgt. Harker |
Edmund Wyson | Cast | Cpl. Guthrie | |
 Joanna Going | Cast | Actress | Jennifer Pailery, M.D. |
 John Hammil | Cast | Actor | Scientist Talbot |
 John Scott Clough | Cast | Actor | Scientist Shane |
 Judith Drake | Cast | Actress | Hilda |
 Liev Schreiber | Cast | Actor | Deputy Stuart 'Stu' Wargle |
 Linnea Quigley | Cast | Actress | Woman in Room 204 (uncredited) |
 Lonny Chapman | Cast | Actor | Old Man at Bar (uncredited) |
 Lucas Elliot Eberl | Cast | Actor | Tunnel Boy |
 Michael DeLorenzo | Cast | Actor | Soldier Velazquez |
 Nicky Katt | Cast | Actor | Deputy Steve Shanning |
Paul Schmidt | Cast | Church Soldier | |
 Peter O'Toole | Cast | Actor | Dr. Timothy Flyte |
 Rick Otto | Cast | Actor | Scientist Lockland |
Robert Himber | Cast | Actor | Scientist Walker |
 Robert Knepper | Cast | Actor | Agent Wilson |
 Rose McGowan | Cast | Actress | Lisa Pailey |
 Valerie Chow | Cast | Actress | Scientist Yamaguchi |
 Yvette Nipar | Cast | Actress | Cowgirl |
William Hahn | Cast | Scientist Borman | |
| Person | Type | Job | Role(s) |
