| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alan Bryce | Crew | Crew | Special Effects |
 Aldo Signoretti | Crew | Costume & Make-Up | Key Hair Stylist |
Alessandro Alberti | Crew | Art | Set Designer |
 Alex Thomson | Crew | Camera | Director of Photography |
April Ferry | Crew | Costume & Make-Up | Costume Design |
Arthur Morton | Crew | Sound | Orchestrator |
Augusto Grassi | Crew | Costume & Make-Up | Costumer, Dresser |
 Aurelio De Laurentiis | Crew | Production | Producer |
 Bobby Rhodes | Crew | Crew | Stunts |
Bruce Barlow | Crew | Costume & Make-Up | Special Effects Makeup Artist |
Bruno Cesari | Crew | Art | Set Decoration |
Ceri Evans | Crew | Directing | Script Supervisor |
Charles Gordon | Crew | Production | Executive Producer |
Charles L. Finance | Crew | Visual Effects | Visual Effects Production Manager |
Charles Tabansi | Crew | Crew | Stunts |
Craig Edgar | Crew | Art | Set Designer |
Cynthia Sleiter | Crew | Art | Assistant Set Decoration |
Daniela Giovannoni | Crew | Art | Set Designer |
David B. Sharp | Crew | Visual Effects | Modelling Supervisor |
David F. Klassen | Crew | Art | Art Direction |
David J. Hudson | Crew | Sound | Sound Re-Recording Mixer |
David J. Negron Sr. | Crew | Art | Storyboard Artist |
David J. Negrón Jr. | Crew | Art | Production Illustrator |
David James | Crew | Camera | Still Photographer |
David Lewis Yewdall | Crew | Sound | Sound Effects Editor |
David S. Williams Jr. | Crew | Visual Effects | Visual Effects Camera |
 David Webb Peoples | Crew | Writing | Screenplay, Story |
Desmond Cannon | Crew | Sound | Assistant Sound Editor |
Etta Leff | Crew | Art | Assistant Set Decoration |
Federico Del Zoppo | Crew | Camera | Additional Photography, "B" Camera Operator |
Franco Ceraolo | Crew | Art | Art Direction |
Fred Lucky | Crew | Art | Storyboard Artist |
Gabriella Toro | Crew | Production | Production Coordinator |
 George P. Cosmatos | Crew | Directing | Director |
 Gillian L. Hutshing | Crew | Editing | Assistant Editor |
Giorgio Conti | Crew | Editing | Assistant Editor |
Giovanni Corridori | Crew | Crew | Special Effects Coordinator |
Giuseppe Maccari | Crew | Crew | Cinematography, Additional Photography |
Jane Feinberg | Crew | Production | Casting |
 Jeb Stuart | Crew | Writing | Screenplay |
 Jerry Goldsmith | Crew | Sound | Original Music Composer, Conductor |
John F. Burnett | Crew | Editing | Editor |
John Post | Crew | Sound | Foley Artist |
 John Rosengrant | Crew | Costume & Make-Up | Special Effects Makeup Artist, Creature Design |
Karola Storr | Crew | Sound | Foley Editor |
Katalin Elek | Crew | Costume & Make-Up | Makeup Artist |
Kenneth Hall | Crew | Sound | Supervising Music Editor |
Kuki López Rodero | Crew | Directing | First Assistant Director |
Laura Graham | Crew | Sound | Assistant Sound Editor |
 Lawrence Gordon | Crew | Production | Executive Producer |
Lucio Trentini | Crew | Production | Production Supervisor |
Luigi De Laurentiis | Crew | Production | Producer |
Lynda Gordon | Crew | Production | Casting |
Marco Carosi | Crew | Crew | Playback Coordinator |
Marco Trentini | Crew | Art | Set Designer, Assistant Set Designer |
Maria Teresa Barbasso | Crew | Art | Set Designer |
Matt Earl Beesley | Crew | Directing | First Assistant Director |
Maurizio Amati | Crew | Production | Executive In Charge Of Production |
Mel Metcalfe | Crew | Sound | Sound Re-Recording Mixer |
Michael Dittrick | Crew | Sound | Music Editor |
 Mike Fenton | Crew | Production | Casting |
Mike Le Mare | Crew | Sound | Supervising Sound Editor |
Mike Valentine | Crew | Camera | Underwater Camera |
 Nick Allder | Crew | Visual Effects | Effects Supervisor |
 Ottaviano Dell'Acqua | Crew | Crew | Stunts |
Pier Luigi Basile | Crew | Art | Supervising Art Director |
Renato Agostini | Crew | Crew | Special Effects |
Richard Malzahn | Crew | Art | Graphic Designer |
 Robert Gould | Crew | Art | Set Decoration |
Robert Habros | Crew | Visual Effects | Visual Effects Camera |
Roberto Malerba | Crew | Production | Location Manager |
Roberto Silvi | Crew | Editing | Editor |
Robin Gregory | Crew | Sound | Sound Mixer |
 Rocco Lerro | Crew | Crew | Stunt Coordinator |
 Ron Cobb | Crew | Art | Production Design |
Roy Larner | Crew | Lighting | Gaffer |
Shannon Shea | Crew | Visual Effects | Creature Design |
 Stan Winston | Crew | Visual Effects | Creature Effects Technical Director |
Steve Burg | Crew | Art | Concept Artist |
Steve Schwalbe | Crew | Sound | Assistant Sound Editor |
Teri E. Dorman | Crew | Sound | Dialogue Editor |
Terry Porter | Crew | Sound | Sound Re-Recording Mixer |
Terry Sharratt | Crew | Sound | Boom Operator |
 Tom Woodruff Jr. | Crew | Visual Effects | Creature Design |
Virginia Cook-McGowan | Crew | Sound | Dialogue Editor |
William James Teegarden | Crew | Art | Set Designer |
William Ladd Skinner | Crew | Art | Supervising Art Director |
Yvonne Zarb Cousin | Crew | Costume & Make-Up | Costumer |
Zoltan Elek | Crew | Costume & Make-Up | Key Makeup Artist |
Shane Mahan | Crew | Visual Effects | Creature Design |
Francesco Bellomo | Crew | Camera | Still Photographer |
Giorgio De Vincenzo | Crew | Crew | Post Production Supervisor |
Paolo Gargano | Crew | Production | Unit Manager |
Ramón Bravo | Crew | Camera | Underwater Camera |
Beverly Pinnas | Crew | Editing | Assistant Editor |
Alfio Tempera | Crew | Art | Set Buyer |
Chyna Thomson | Crew | Camera | Second Assistant Camera |
Jay Engel | Crew | Sound | ADR Editor |
Francesca Ghiotto | Crew | Directing | Script Supervisor |
Giuseppe Cancellara | Crew | Art | Assistant Property Master |
David Turchi | Crew | Directing | Second Assistant Director |
Boni Fraulo | Crew | Art | Property Master |
Ennio Brizzolari | Crew | Camera | Key Grip |
Tony Cridlin | Crew | Camera | Grip, Key Grip |
Richard J. Landon | Crew | Visual Effects | Creature Design |
Alan Snelling | Crew | Crew | Score Engineer |
Janelle Showalter | Crew | Sound | Assistant Sound Editor |
Carla Latini | Crew | Costume & Make-Up | Wardrobe Supervisor |
Giampiero Grassi | Crew | Costume & Make-Up | Dresser |
John Hatt | Crew | Crew | Special Effects |
Nic Milner | Crew | Camera | First Assistant Camera |
Luca Lachin | Crew | Directing | Second Assistant Director |
Luigi Scardino | Crew | Production | Assistant Accountant |
Fabio Scepi | Crew | Lighting | Electrician |
 Randell Dennis Widner | Crew | Crew | Stunt Coordinator |
Richard Leeman | Crew | Editing | First Assistant Editor |
James Belohovek | Crew | Visual Effects | Modeling |
Agostino Bivi | Crew | Art | Painter |
Roberto Olivieri | Crew | Editing | Assistant Editor |
Sergio Strizzi | Crew | Camera | Still Photographer |
Carlo La Bella | Crew | Editing | Colorist |
Ernesto Natoli | Crew | Camera | Assistant Camera |
James Dean Fisher | Crew | Sound | Foley Artist |
Gaby Bzdega | Crew | Camera | Assistant Camera |
Carmen Hocson Baker | Crew | Sound | Assistant Sound Editor |
Alvaro Belsole | Crew | Art | Construction Coordinator |
Barry Nolan | Crew | Visual Effects | Visual Effects Supervisor |
Giovanna Di Michele | Crew | Production | Production Accountant |
Daniela Vecchi | Crew | Production | Assistant Production Coordinator |
Paolo Luciani | Crew | Art | Assistant Property Master |
Franca Tasso | Crew | Production | Production Coordinator |
Jon Curtis Price | Crew | Visual Effects | Creature Design |
Alec Gillis | Crew | Visual Effects | Creature Design |
 Amanda Pays | Cast | Actress | Elizabeth 'Willie' Williams |
 Daniel Stern | Cast | Actor | Buzz 'Sixpack' Parrish |
 Ernie Hudson | Cast | Actor | Justin Jones |
 Eugene Lipinski | Cast | Actor | Russian Ship Captain |
 Hector Elizondo | Cast | Actor | C.P. Cobb |
 Larry Dolgin | Cast | Actor | Helicopter Pilot |
 Lisa Eilbacher | Cast | Actress | Bridget Bowman |
 Meg Foster | Cast | Actress | Ms. Martin |
 Michael Carmine | Cast | Actor | Tony 'DeJesus' Rodero |
 Pascal Druant | Cast | Actor | Winch Operator |
 Peter Weller | Cast | Actor | Steven Beck |
 Richard Crenna | Cast | Actor | Dr. Glen 'Doc' Thompson |
Steve Pelot | Cast | Actor | Winch Operator |
Tom Woodruff Jr. | Cast | Actor | Lead Creature (uncredited) |
| Person | Type | Job | Role(s) |
