Master diver Frank McGuire (Richard Roxburgh) has explored the South Pacific's Esa-ala Caves for months. But when his exit is cut off in a flash flood, Frank's team—including 17-year-old son Josh (Rhys Wakefield) and financier Carl Hurley (Ioan Gruffudd)—are forced to radically alter plans. With dwindling supplies, the crew must navigate an underwater labyrinth to make it out. Soon, they are confronted with the unavoidable question: Can they survive, or will they be trapped forever?
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| Production | James Cameron | Executive Producer |
| Crew | James Cameron | Presenter |
| Production | Gregory Apps | Casting |
| Sound | Kami Asgar | ADR Supervisor |
| Sound | David Hirschfelder | Music |
| Directing | Alister Grierson | Director |
| Camera | Jules O'Loughlin | Director of Photography |
| Art | Nicholas McCallum | Production Design |
| Sound | Glenn Newnham | Sound Effects Editor |
| Visual Effects | Brian Pearce | Special Effects Supervisor |
| Costume & Make-Up | Wizzy Molineaux | Makeup Artist |
| Costume & Make-Up | Wizzy Molineaux | Hairstylist |
| Production | Andrew Wight | Producer |
| Writing | Andrew Wight | Writer |
| Writing | John Garvin | Writer |
| Visual Effects | Peter Webb | Visual Effects Supervisor |
| Visual Effects | Chuck Comisky | 3D Supervisor |
| Sound | Jason Fernandez | Music Editor |
| Production | Michael Finley | Producer |
| Art | Jenny O'Connell | Art Direction |
| Art | Jonathon Hannon | Set Dresser |
| Camera | Simon Christidis | Underwater Camera |
| Sound | Paul Pirola | Supervising Sound Editor |
| Sound | Mario Vaccaro | Foley |
| Sound | Damian Candusso | Sound Effects Editor |
| Camera | Greg Gilbert | Steadicam Operator |
| Camera | Jasin Boland | Still Photographer |
| Visual Effects | Ineke Majoor | Visual Effects Producer |
| Directing | Antoinette O'Neill | Script Supervisor |
| Editing | Rachel McKellar-Harding | Digital Intermediate |
| Sound | James Harvey | Supervising Dialogue Editor |
| Visual Effects | David Booth | Visual Effects Supervisor |
| Sound | Peter Mills | Sound Effects Editor |
| Sound | Robert Mackenzie | Sound Re-Recording Mixer |
| Crew | Chris Anderson | Stunt Coordinator |
| Sound | Emily Rogers Swanson | Music Editor |
| Sound | Craig Beckett | Music Editor |
| Sound | Steve Burgess | Sound Effects Editor |
| Production | Rosslyn Abernethy | Production Manager |
| Visual Effects | Nicholas Tripodi | Animation |
| Visual Effects | Shane Hall | Animation |
| Costume & Make-Up | Cheryl Newton | Wigmaker |
| Costume & Make-Up | Gail Kane | Makeup Artist |
| Costume & Make-Up | Mirela Rupic | Costume Design |
| Sound | Dan Johnston | Foley |
| Sound | Brendan Geaney | Sound Effects Editor |
| Lighting | David Thomson | Rigging Grip |
| Costume & Make-Up | Julie Barton | Key Costumer |
| Lighting | Billy Harmer | Electrician |
| Art | Melinda Neoh | Construction Coordinator |
| Editing | Ben Joss | First Assistant Editor |
| Lighting | Mark Bills | Lighting Technician |
| Costume & Make-Up | Vivienne MacGillicuddy | Hair Designer |
| Costume & Make-Up | Vivienne MacGillicuddy | Makeup Designer |
| Directing | Wade Savage | First Assistant Director |
| Camera | Adam Kuiper | Key Grip |
| Costume & Make-Up | Kristine Versey | Makeup Artist |
| Visual Effects | Simon Ross | Animation |
| Visual Effects | Georgia Smith | Visual Effects Coordinator |
| Camera | Richard Harris | Underwater Camera |
| Lighting | Peter Bushby | Gaffer |
| Lighting | Mandy Bradford | Rigging Grip |
| Lighting | Sam Davies | Electrician |
| Lighting | Jack Moffatt | Electrician |
| Costume & Make-Up | Michael Davies | Costume Supervisor |
| Costume & Make-Up | Joanne Thompson | Set Costumer |
| Lighting | Micha Temple | Underwater Gaffer |
| Editing | Brett Manson | Digital Intermediate |
| Editing | Laurie Meade | Digital Intermediate |
| Editing | Nic Smith | Digital Intermediate |
