Mulder and Scully, now taken off the FBI's X Files cases, must find a way to fight the shadowy elements of the government to find out the truth about a conspiracy that might mean the alien colonization of Earth.
| Writing | Chris Carter | Screenplay |
| Art | Jackie Carr | Set Decoration |
| Writing | Chris Carter | Story |
| Production | Lata Ryan | Executive Producer |
| Sound | Mark Snow | Original Music Composer |
| Art | Gregory Bolton | Art Direction |
| Production | Meg Liberman | Casting |
| Production | Daniel Sackheim | Producer |
| Editing | Stephen Mark | Editor |
| Directing | Rob Bowman | Director |
| Camera | Ward Russell | Director of Photography |
| Production | Chris Carter | Producer |
| Art | Hugo Santiago | Art Direction |
| Writing | Frank Spotnitz | Story |
| Art | Christopher Nowak | Production Design |
| Costume & Make-Up | Marlene Stewart | Costume Design |
| Production | Mary Astadourian | Associate Producer |
| Camera | Phil Bowen | Aerial Camera Technician |
| Camera | Matthew A. Del Ruth | Camera Loader |
| Crew | Steve Duncan | Transportation Coordinator |
| Crew | Peter Koczera | Digital Effects Supervisor |
| Production | David Womark | Unit Production Manager |
| Directing | Josh McLaglen | First Assistant Director |
| Production | Doris Donnenberg | Production Supervisor |
| Sound | Jeff Charbonneau | Music Editor |
| Visual Effects | Stan Blackwell | Special Effects Supervisor |
| Art | Dins W. W. Danielsen | Assistant Art Director |
| Art | Fanée Aaron | Set Designer |
| Lighting | Carl Boles | Gaffer |
| Costume & Make-Up | Gino Crognale | Key Makeup Artist |
| Costume & Make-Up | Nancy Collini | Set Costumer |
| Crew | Alec Gillis | Makeup Effects |
| Crew | Alex L. Worman | Unit Publicist |
| Editing | Dennis McNeill | Color Timer |
| Editing | Margaret Adachi | First Assistant Editor |
| Production | Michael J. Burmeister | Location Manager |
| Visual Effects | Fred Simon | Visual Effects |
| Art | Jennifer Jaafar | Art Department Assistant |
| Camera | Merrick Morton | Still Photographer |
| Lighting | Jenna Abrahamson-Minardi | Lighting Technician |
| Sound | Mark Steinbeck | Boom Operator |
| Sound | Blake R. Cornett | Assistant Sound Editor |
| Sound | Paul Urmson | Sound Designer |
| Sound | Paul Apted | Sound Effects Editor |
| Crew | Derek Hurd | Craft Service |
| Crew | Samuel H. Adams | Propmaker |
| Crew | Howard Bachrach | Transportation Captain |
| Art | Patti McNulty | Art Department Coordinator |
| Camera | Mark La Bonge | Camera Operator |
| Art | Carrie L.A. | Location Scout |
| Camera | Lloyd Ahern II | Additional Photography |
| Costume & Make-Up | Kerry Mendenhall | Key Hair Stylist |
| Art | Mike Carrillo | Property Master |
| Crew | Brian Bennett | Stunts |
| Production | Stevie Lazo | Production Accountant |
| Art | Michael Gates | Painter |
| Production | Perry Petrzilka | Production Manager |
| Sound | David Was | Music Supervisor |
| Sound | John A. Larsen | Supervising Sound Editor |
| Camera | Brad Edmiston | First Assistant Camera |
| Crew | Paul J. Lombardi | Special Effects Coordinator |
| Lighting | Mark Ballentine | Best Boy Electric |
| Visual Effects | Kenneth Au | Digital Compositors |
| Art | Marc Fisichella | Supervising Art Director |
| Costume & Make-Up | Lance Anderson | Prosthetic Makeup Artist |
| Sound | Craig Heath | Sound Recordist |
| Production | Dina Farnell | Production Coordinator |
| Sound | Jonathan Sacks | Orchestrator |
| Sound | Mark Kenna | Dolby Consultant |
| Art | Bill Iiams | Construction Coordinator |
| Crew | Don Poole | Driver |
| Crew | Tim A. Davison | Stunt Coordinator |
| Crew | Maxwell R. Johnson II | Transportation Co-Captain |
| Visual Effects | Daphne Dentz | Visual Effects Coordinator |
| Art | Tim Donelan | Leadman |
| Costume & Make-Up | Ronnie Lombard | Set Dressing Artist |
| Lighting | Mike Amorelli | Rigging Gaffer |
| Lighting | Pasquale Attanasio | Rigging Grip |
| Visual Effects | Matthew Ferro | Visual Effects Producer |
| Crew | Fred Fein | Stand In |
| Crew | Mark Suveg | Video Assist Operator |
| Directing | Tricia Ronten | Script Supervisor |
| Lighting | Harold Groshon | Electrician |
| Sound | R.J. Kizer | ADR Supervisor |
| Art | James N. Delaplane | Standby Painter |
| Camera | Jason Bell | Grip |
| Crew | Todd J. Adelman | Set Medic |
| Sound | Geoffrey Patterson | Sound Mixer |
| Camera | James Sweet | Key Grip |
| Costume & Make-Up | John Casey | Costume Supervisor |
| Crew | Damian 'Rocky' Polito | Carpenter |
| Crew | Robert Mendoza | Post Production Assistant |
| Crew | Rachel Flackett | Set Production Assistant |
| Crew | Pamela Choules | Visual Effects Editor |
| Sound | Susan Dawes | Dialogue Editor |
| Visual Effects | Mat Beck | Visual Effects Supervisor |
| Sound | Rodger Pardee | Sound |
| Art | Jim Martin | Production Illustrator |
| Visual Effects | Erik Henry | Additional Visual Effects |
| Editing | Jeff Cahn | Assistant Editor |
| Camera | Chad C. Barrow | Best Boy Grip |
| Camera | Merritt Gold | Focus Puller |
| Production | Julie Ann Moyeda | Payroll Accountant |
| Production | John Nein | Production Secretary |
| Directing | Renato De Cotiis | Additional Third Assistant Director |
| Art | Tim Flattery | Concept Artist |
| Camera | Michael Cassidy | Second Assistant Camera |
| Art | Susan A. Burig | Graphic Designer |
| Camera | Jamie Sewell | Clapper Loader |
| Art | Robb Bihun | Storyboard Artist |
| Crew | Scott D. Mattson | Special Effects Assistant |
| Directing | Phil Booth | Third Assistant Director |
| Art | Howard Fannon | Assistant Property Master |
| Sound | David Betancourt | Foley Mixer |
| Visual Effects | Christopher Leone | VFX Artist |
| Visual Effects | Jim Cashman | Visual Effects Production Assistant |
| Crew | Heather Burton | Stunt Double |
| Art | Max E. Brehme | Swing |
| Art | Ramsey McDaniel | Title Designer |
| Visual Effects | Miyuki Takahashi | 2D Artist |
| Camera | Tom Gleason | Assistant Camera |
| Editing | Stephen Sobisky | Project Manager |
| Sound | Mark Snow | Conductor |
| Production | Jennifer S. Deayton | Assistant Production Coordinator |
| Costume & Make-Up | Helen Monaghan | Key Costumer |
| Sound | Diane Linn | ADR Recordist |
| Crew | Jan Beran | Special Effects Technician |
| Production | Patrick Rush | Additional Casting |
| Production | Timothy Falconer | Assistant Location Manager |
| Crew | Greg Strause | Digital Supervisor |
| Production | Kelly Richards Ralston | First Assistant Accountant |
| Production | Anna Bradley | Key Set Production Assistant |
| Sound | Dawn Fintor | Foley Artist |
| Costume & Make-Up | Michael Mills | Makeup Supervisor |
| Sound | Jeff Hamon | ADR Mixer |
| Visual Effects | Edwin Rivera | 2D Supervisor |
| Visual Effects | Travis Baumann | Compositing Artist |
| Sound | James Bolt | Additional Sound Re-Recording Mixer |
| Sound | Carrie Cashman | Foley Recordist |
| Production | Ricky Cuevas | Assistant Accountant |
| Art | Jill Hall | Set Dressing Buyer |
| Editing | Gary Burritt | Negative Cutter |
| Crew | David Paris | Aerial Coordinator |
| Production | Shaun M. McGovern | Second Assistant Accountant |
| Directing | Rich Sickler | Second Second Assistant Director |
| Camera | Rick Kangrga | Dolly Grip |
| Costume & Make-Up | Janet Tebrooke | Wardrobe Supervisor |
| Lighting | Jerry Solomon | Chief Lighting Technician |
| Production | David M. Wermus | Location Assistant |
| Visual Effects | Erik Liles | Senior Animator |
| Production | Angela Terry | Casting Assistant |
| Production | Linda Gregory | Accountant |
| Production | Dave Casella | Production Assistant |
| Crew | William O. Heaton | Technical Advisor |
| Directing | William H. Burton Sr. | Second Unit Director |
| Crew | Nancy Thurston | Stunts |
| Crew | Lisa Dempsey | Stunts |
| Crew | Jon H. Epstein | Stunt Double |
| Production | Frank Spotnitz | Co-Producer |
| Crew | Troy Robinson | Stunts |
| Crew | Troy Brown | Stunts |
| Crew | Bob Brown | Stunts |
| Crew | Gregory J. Barnett | Stunts |
| Crew | Steve M. Davison | Stunts |
| Crew | John C. Meier | Stunts |
| Crew | Billy D. Lucas | Stunts |
| Crew | Michael Runyard | Stunts |
| Crew | Kendel McMurray | Stunts |
| Crew | Jimmy N. Roberts | Stunts |
| Crew | William H. Burton Jr. | Stunts |
| Crew | Chris Blackwood | Stunts |
| Crew | Hal Burton | Stunts |
| Crew | Dale Gibson | Stunts |
| Crew | Dane Farwell | Stunts |
| Crew | Steve Holladay | Stunts |
| Crew | James M. Halty | Stunts |
| Crew | Tommy J. Huff | Stunts |
| Crew | Claudette James | Stunt Double |
| Crew | Shawn Kautz | Stunts |
| Crew | Dennis Madalone | Stunts |
| Crew | Khristian Lupo | Stunts |
| Crew | Erik Rondell | Stunts |
| Crew | Jimmy Romano | Stunts |
| Crew | James Ryan | Stunts |
| Crew | Craig Shugart | Stunts |
| Crew | David Schultz | Stunts |
| Crew | Thomas DuPont | Stunts |
| Crew | Roger Wells | Stunts |
| Crew | Scott Hubbell | Stunts |
| Crew | Robert Powell | Stunts |
| Sound | Colin Nicolson | Sound Mixer |
