When the crew of an American tugboat boards an abandoned Russian research vessel, the alien life form aboard regards them as a virus which must be destroyed.
| Writing | Chuck Pfarrer | Screenplay |
| Writing | Dennis Feldman | Author |
| Production | Gale Anne Hurd | Producer |
| Sound | Joel McNeely | Original Music Composer |
| Camera | David Eggby | Director of Photography |
| Editing | M. Scott Smith | Editor |
| Art | Mayling Cheng | Production Design |
| Art | Jaymes Hinkle | Art Direction |
| Art | Robert J. Quinn | Art Direction |
| Art | Donald B. Woodruff | Art Direction |
| Art | Donald Krafft | Set Decoration |
| Costume & Make-Up | Deborah Everton | Costume Design |
| Costume & Make-Up | Frank Perry Rose | Costume Supervisor |
| Production | Pam Dixon | Casting |
| Art | Alan Au | Set Designer |
| Art | William G. Davis | Set Designer |
| Art | Alan Hook | Set Designer |
| Art | Daniel R. Jennings | Set Designer |
| Art | Dorn Merrill Kennison | Set Designer |
| Art | Andrew Menzies | Set Designer |
| Art | Domenic Silvestri | Set Designer |
| Art | Bill Taliaferro | Set Designer |
| Art | Jean Chan | Art Department Coordinator |
| Art | E.W. Bradford | Construction Coordinator |
| Art | Tom Jones Jr. | Construction Coordinator |
| Crew | Vic Petrotta Jr. | Property Master |
| Sound | Richard L. Anderson | Supervising Sound Editor |
| Sound | George Simpson | Supervising Sound Editor |
| Sound | Hilda Hodges | Foley |
| Sound | John Roesch | Foley |
| Sound | Eric Lindemann | Sound Designer |
| Visual Effects | Jay Riddle | Visual Effects Supervisor |
| Visual Effects | Lori J. Nelson | Visual Effects Supervisor |
| Visual Effects | Alonzo Ruvalcaba | Visual Effects Producer |
| Visual Effects | Michele C. Vallillo | Visual Effects Producer |
| Crew | Joel Kramer | Stunt Coordinator |
| Camera | Michael Tackett | Still Photographer |
| Costume & Make-Up | Joseph T. Mastrolia | Set Costumer |
| Costume & Make-Up | Katrina Mastrolia | Set Costumer |
| Sound | Dick Bernstein | Music Editor |
| Sound | Johnny Caruso | Music Editor |
| Sound | Craig Pettigrew | Music Editor |
| Crew | Alan Collis | Transportation Coordinator |
| Production | Charles Thomas Baxter | Location Manager |
| Directing | Deirdre Horgan | Script Supervisor |
| Directing | Jennifer Opresnick | Script Supervisor |
| Costume & Make-Up | Emanuel Millar | Hair Designer |
| Costume & Make-Up | Pamela Priest | Key Hair Stylist |
| Costume & Make-Up | Rick Pour | Key Makeup Artist |
| Costume & Make-Up | Sandra S. Orsolyak | Makeup Artist |
| Costume & Make-Up | Jeff Goodwin | Makeup Supervisor |
| Costume & Make-Up | Scott Patton | Makeup Designer |
| Camera | Chip Hackler | Additional Camera |
| Camera | Michael Kelem | Aerial Camera |
| Camera | Jeff Moore | Camera Operator |
| Camera | Malcolm MacIntosh | Camera Operator |
| Camera | Jeffery J. Tufano | Camera Operator |
| Camera | Bruce MacCallum | Camera Operator |
| Camera | John Trapman | Camera Operator |
| Lighting | Stephen Thompson | Chief Lighting Technician |
| Lighting | Michael F. Burke | Chief Lighting Technician |
| Camera | Mike Benson | Second Unit Director of Photography |
| Camera | Michael Bonsignore | Dolly Grip |
| Camera | Troy N. Wade | Dolly Grip |
| Camera | Darrell B. Sheldon | Dolly Grip |
| Camera | Russell G. Senato | Dolly Grip |
| Camera | Mitchell Andrew Lillian | Key Grip |
| Camera | Dennis Zoppe | Key Grip |
| Camera | Sal Lanza | Key Grip |
| Lighting | Eddie Bowlin | Rigging Gaffer |
| Lighting | Billy Hendrickson | Rigging Gaffer |
| Lighting | Wesley R. Hardee | Rigging Grip |
| Lighting | Steve Skinner | Rigging Grip |
| Lighting | John R. Sutton | Rigging Grip |
| Lighting | Russell Hardee | Rigging Grip |
| Lighting | Tommy Ray Sullivan | Gaffer |
| Camera | David Knox | Steadicam Operator |
| Lighting | Rusty Edmonson | Lighting Technician |
| Crew | Keith Smith | Pilot |
| Visual Effects | Dan Kaufman | 3D Artist |
| Visual Effects | Randy Link | Animation |
| Visual Effects | David Lombardi | Animation |
| Visual Effects | Bobby Beck | Animation |
| Visual Effects | Tom Gibbons | Animation |
| Visual Effects | Peter Konig | Animation |
| Crew | Douglas Epps | CG Supervisor |
| Visual Effects | Kristin Hansen | Visual Effects Coordinator |
| Visual Effects | David B. Moulder | Visual Effects Coordinator |
| Visual Effects | Ken Kokka | Visual Effects Coordinator |
| Visual Effects | Ève Sakellariou | Visual Effects Coordinator |
| Crew | Shawn Broes | Visual Effects Editor |
| Crew | Miller Drake | Visual Effects Editor |
| Crew | Kevin Rose-Williams | Visual Effects Editor |
| Visual Effects | Matthew P. Welker | Visual Effects Technical Director |
| Visual Effects | Kent Estep | Visual Effects Technical Director |
| Editing | Matthew Cassel | First Assistant Editor |
| Editing | Gary Burritt | Negative Cutter |
| Editing | Richard Alderete | Assistant Editor |
| Editing | Sarah Brockhoff | Assistant Editor |
| Editing | Lisa Cossettini | Assistant Editor |
| Visual Effects | Chuck Gaspar | Special Effects Supervisor |
| Crew | Vincent J. Guastini | Makeup Effects |
| Crew | Joel Harlow | Makeup Effects |
| Crew | Rob Hinderstein | Makeup Effects |
| Crew | J.M. Logan | Makeup Effects |
| Crew | Dave Snyder | Makeup Effects |
| Directing | John Bruno | Director |
| Costume & Make-Up | Christopher Allen Nelson | Special Effects Makeup Artist |
| Directing | Carla Brand Breitner | First Assistant Director |
| Crew | Laura Albert | Stunts |
| Crew | Billy D. Lucas | Stunts |
| Crew | Tim Trella | Stunts |
| Crew | Tom Elliott | Stunts |
