Peter Weller

Steven Beck

Richard Crenna

Dr. Glen 'Doc' Thompson

Amanda Pays

Elizabeth 'Willie' Williams

Daniel Stern

Buzz 'Sixpack' Parrish

Ernie Hudson

Justin Jones

Michael Carmine

Tony 'DeJesus' Rodero

Lisa Eilbacher

Bridget Bowman

Héctor Elizondo

C.P. Cobb

Meg Foster

Ms. Martin

Eugene Lipinski

Russian Ship Captain

Larry Dolgin

Helicopter Pilot

Pascal Druant

Winch Operator

Steve Pelot

Winch Operator

Tom Woodruff Jr.

Lead Creature (uncredited)

George P. Cosmatos

Director

Jon Curtis Price

Creature Design

David Webb Peoples

Story

David Webb Peoples

Screenplay

Jeb Stuart

Screenplay

Aurelio De Laurentiis

Producer

Luigi De Laurentiis

Producer

Charles Gordon

Executive Producer

Lawrence Gordon

Executive Producer

Jerry Goldsmith

Original Music Composer

Alex Thomson

Director of Photography

John F. Burnett

Editor

Roberto Silvi

Editor

Nancy Beach

Orchestrator

Jerry Goldsmith

Conductor

Kenneth Hall

Supervising Music Editor

Arthur Morton

Orchestrator

Michael Dittrick

Music Editor

Gillian L. Hutshing

Assistant Editor

Richard Leeman

First Assistant Editor

Aldo Manni

Negative Cutter

Yvonne Zarb Cousin

Costumer

Ramón Bravo

Underwater Camera

Phil Barthropp

Underwater Camera

Ernesto Natoli

Assistant Camera

Fabio Scepi

Electrician

Mike Valentine

Underwater Camera

Bruce Barlow

Special Effects Makeup Artist

Katalin Elek

Makeup Artist

Zoltan Elek

Key Makeup Artist

Marina Marin

Assistant Hairstylist

John Rosengrant

Special Effects Makeup Artist

Aldo Signoretti

Key Hair Stylist

Marco Alberti

Second Second Assistant Director

Matt Earl Beesley

First Assistant Director

Luca Lachin

Second Assistant Director

Kuki López Rodero

First Assistant Director

David Turchi

Second Assistant Director

Jane Feinberg

Casting

Mike Fenton

Casting

Lynda Gordon

Casting

Ron Cobb

Production Design

Franco Ceraolo

Art Direction

Pier Luigi Basile

Supervising Art Director

David F. Klassen

Art Direction

William Ladd Skinner

Supervising Art Director

Bruno Cesari

Set Decoration

Robert Gould

Set Decoration

April Ferry

Costume Design

Giorgio De Vincenzo

Post Production Supervisor

Lucio Trentini

Production Supervisor

Maria Teresa Barbasso

Set Designer

Roberto Malerba

Location Manager

Ceri Evans

Script Supervisor

Gabriella Toro

Production Coordinator

Robin Gregory

Sound Mixer

Stan Winston

Creature Effects Technical Director

Maurizio Amati

Executive In Charge Of Production

Alec Gillis

Creature Design

Richard J. Landon

Creature Design

Shane Mahan

Creature Design

Shannon Shea

Creature Design

John Rosengrant

Creature Design

Tom Woodruff Jr.

Creature Design

Nick Allder

Effects Supervisor

Barry Nolan

Visual Effects Supervisor

Giuseppe Maccari

Additional Photography

Paolo Gargano

Unit Manager

Giovanna Di Michele

Production Accountant

Nic Milner

First Assistant Camera

Chyna Thomson

Second Assistant Camera

Terry Sharratt

Boom Operator

Alfredo Vincenti

Construction Coordinator

Craig Edgar

Set Designer

William James Teegarden

Set Designer

Alessandro Alberti

Set Designer

Daniela Giovannoni

Set Designer

Susanna Giovannini

Assistant Set Designer

Marco Trentini

Assistant Set Designer

Steve Burg

Concept Artist

David J. Negron Sr.

Storyboard Artist

Fred Lucky

Storyboard Artist

David J. Negrón Jr.

Production Illustrator

Etta Leff

Assistant Set Decoration

Cynthia Sleiter

Assistant Set Decoration

Alfio Tempera

Set Buyer

Carla Latini

Wardrobe Supervisor

Giampiero Grassi

Dresser

Augusto Grassi

Dresser

Boni Fraulo

Property Master

Paolo Luciani

Assistant Property Master

Giuseppe Cancellara

Assistant Property Master

Domenico Mancino

Assistant Property Master

Ivano Tedeschi

Painter

Agostino Bivi

Painter

Roy Larner

Gaffer

Fernando Massaccesi

Gaffer

Tony Cridlin

Key Grip

Ennio Brizzolari

Key Grip

Marco Carosi

Playback Coordinator

Daniela Vecchi

Assistant Production Coordinator

Luigi Scardino

Assistant Accountant

Otello Tomassini

Assistant Accountant

Randell Dennis Widner

Stunt Coordinator

Rocco Lerro

Stunt Coordinator

Ottaviano Dell'Acqua

Stunts

Fabiola Tocca

Stunts

Alessandro Ponti

Stunts

Charles Tabansi

Stunts

Massimo Giovannucci

Stunts

Bobby Rhodes

Stunts

Paola Giacomini

Stunts

Giovanni Corridori

Special Effects Coordinator

Alan Bryce

Special Effects

John Hatt

Special Effects

Renato Agostini

Special Effects

Beverly Pinnas

Assistant Editor

Giorgio Conti

Assistant Editor

Roberto Olivieri

Assistant Editor

Mike Le Mare

Supervising Sound Editor

Terry Porter

Sound Re-Recording Mixer

Mel Metcalfe

Sound Re-Recording Mixer

David J. Hudson

Sound Re-Recording Mixer

David Lewis Yewdall

Sound Effects Editor

Karola Storr

Foley Editor

Virginia Cook-McGowan

Dialogue Editor

Teri E. Dorman

Dialogue Editor

John Post

Foley Artist

James Dean Fisher

Foley Artist

Jay Engel

ADR Editor

Steve Schwalbe

Assistant Sound Editor

Desmond Cannon

Assistant Sound Editor

Janelle Showalter

Assistant Sound Editor

Laura Graham

Assistant Sound Editor

Carmen Hocson Baker

Assistant Sound Editor

Alan Snelling

Score Engineer

Richard Malzahn

Graphic Designer

Charles L. Finance

Visual Effects Production Manager

Robert Habros

Visual Effects Camera

David S. Williams Jr.

Visual Effects Camera

David B. Sharp

Modelling Supervisor

James Belohovek

Modeling

C. Mitchell Bryan

Modeling

Eric Skipper

Modeling

Alvaro Belsole

Construction Coordinator

Franca Tasso

Production Coordinator

Francesca Ghiotto

Script Supervisor

Federico Del Zoppo

"B" Camera Operator

Gaby Bzdega

Assistant Camera

Sergio Strizzi

Still Photographer

Francesco Bellomo

Still Photographer

David James

Still Photographer

Carlo La Bella

Colorist