A man with an unknown disease travels to an island with his girlfriend where his relatives once lived, hoping to find a cure to his illness. Although his relatives were all thought to be dead, he finds them living underground.
| Writing | Charles Adair | Writer |
| Writing | H.P. Lovecraft | Novel |
| Writing | Ronald Shusett | Writer |
| Directing | Peter Svatek | Director |
| Writing | Dan O'Bannon | Writer |
| Camera | Barry Gravelle | Director of Photography |
| Production | John Buchanan | Executive Producer |
| Production | Pieter Kroonenburg | Producer |
| Production | Julie Allan | Producer |
| Editing | Heidi Haines | Editor |
| Production | Hélène Boulay | Line Producer |
| Sound | Alan Reeves | Original Music Composer |
| Art | Michel Proulx | Production Design |
| Production | Ed Elbert | Executive Producer |
| Production | Gary Howsam | Executive Producer |
| Writing | H.P. Lovecraft | Writer |
| Art | Alain Giguère | Painter |
| Crew | Pierre 'Bill' Rivard | Special Effects Coordinator |
| Crew | Mike Gunther | Stunts |
| Production | Marcel Cloutier | Location Manager |
| Camera | Conrad Roy | Best Boy Grip |
| Directing | Daniel Bouthillette | Third Assistant Director |
| Sound | Louis Marion | Sound Recordist |
| Sound | Phil Reznick | Sound Editor |
| Sound | Peter Measroch | Music Editor |
| Production | Linda Rona | Extras Casting |
| Camera | Jacques Girard | Assistant Camera |
| Production | Dominic St-Jean | Unit Manager |
| Art | Carl Lessard | Graphic Designer |
| Sound | Simon Pressey | Foley Recordist |
| Crew | Erick Herbert | Special Effects Technician |
| Crew | André Laperrière | Special Effects Technician |
| Crew | Annie Carignan | Stunts |
| Camera | Marc Simpson-Threlford | Camera Trainee |
| Lighting | Paul Cunningham | Electrician |
| Production | Vera Miller | Casting |
| Crew | Thierry Craig | Special Effects Technician |
| Crew | Pierre Côté | Special Effects Technician |
| Crew | André Laforest | Special Effects Technician |
| Art | Isabelle Guay | Art Direction |
| Sound | Sylvain Arseneault | Boom Operator |
| Sound | Steven Gurman | Supervising Dialogue Editor |
| Crew | Francis Choquette | Special Effects Technician |
| Editing | Christian Gravel | Assistant Editor |
| Editing | Stéphane Lestage | Editorial Services |
| Camera | Marie-Andrée Paquet | Second Assistant Camera |
| Production | Nadia Rona | Casting |
| Directing | Gigi Cretier | Second Assistant Director |
| Art | Claire Alary | Property Buyer |
| Crew | Ronny Gosselin | Animatronics Designer |
| Art | Véronique Pagnoux | Painter |
| Sound | Virginia Storey | Foley Artist |
| Crew | Jacques Langlois | Special Effects Technician |
| Art | Sylvie Dufour | Location Scout |
| Editing | Louis-Martin Paradis | Assistant Editor |
| Camera | Roch Boucher | Second Assistant Camera |
| Lighting | Luc Leblanc | Electrician |
| Camera | Eric Babinec | Grip |
| Sound | Philippe Espantoso | Sound Re-Recording Mixer |
| Editing | Thomas Fries | Editorial Consultant |
| Camera | Lothar Bahr | First Assistant Camera |
| Camera | Pantazidis Panagiotis | Still Photographer |
| Crew | Martin Lussier | Thanks |
| Production | Rosina Bucci | Casting |
| Costume & Make-Up | Henri Khouzam | Key Makeup Artist |
| Art | Marie-Claude L'Heureux | Art Department Coordinator |
| Sound | Peter Harper | Sound Re-Recording Mixer |
| Sound | Glenn Tussman | Sound Editor |
| Crew | David McKeown | Stunt Coordinator |
| Crew | Jérôme Tiberghien | Stunt Coordinator |
| Art | Benoit Falardeau | Location Scout |
| Costume & Make-Up | Claire Nadon | Costume Design |
| Art | Rejean Brochu | Construction Manager |
| Art | Pascal Dufaux | Sculptor |
| Art | Jocelyn Tremblay | Property Buyer |
| Sound | Arun Majumdar | Sound |
| Costume & Make-Up | Chantal Ladouceur | Seamstress |
| Camera | Philippe Martel | Second Assistant Camera |
| Lighting | Jean Levasseur | Electrician |
| Art | Daniel Svatek | Storyboard Artist |
| Costume & Make-Up | Adrien Morot | Special Effects Makeup Artist |
| Production | Hélène Boulay | Production Manager |
| Sound | Cory Rizos | Sound Editor |
| Crew | Pierre L'Heureux | Special Effects Technician |
| Costume & Make-Up | Ryan Nicholson | Special Effects Makeup Artist |
| Crew | Richard Bélanger | Post Production Supervisor |
| Costume & Make-Up | Alice Mayeux | Seamstress |
| Lighting | Claude Fortier | Electrician |
| Crew | Tom Lane | Special Effects Technician |
| Camera | Boris Roy | First Assistant Camera |
| Lighting | Frédéric Lefebvre | Electrician |
| Camera | Georges Archambault | Assistant Camera |
| Crew | Michel Larrivée | Thanks |
| Costume & Make-Up | Michelle Côté | Hairstylist |
| Costume & Make-Up | Robert Vienneau | Key Hair Stylist |
| Art | Lison Daigneault | Set Dresser |
| Sound | Éric Lagacé | Foley Artist |
| Editing | Michel Proulx | Color Timer |
| Crew | Pierre Guérin | Editorial Staff |
| Crew | Sylvie Gaumond | Thanks |
| Crew | Gary Evans | Post Production Supervisor |
| Art | René Casavant | Sculptor |
| Sound | Scott Donald | Dialogue Editor |
| Visual Effects | C.J. Goldman | Creature Design |
| Crew | Eric-André Paquin | Special Effects |
| Directing | Suzanne Chiasson | Script Supervisor |
| Editing | Julie Bouffard | Assistant Editor |
| Camera | Michael Yaremchuk | Second Assistant Camera |
| Camera | Philippe Prud'homme | First Assistant Camera |
| Costume & Make-Up | Manon Parisien | Assistant Makeup Artist |
| Directing | Luc Campeau | First Assistant Director |
| Art | Steeve Henry | Property Master |
| Sound | Richard Betanzos | Supervising Sound Editor |
| Visual Effects | Adrien Morot | Creature Design |
| Crew | Gina Duhamel | Stunts |
| Crew | David McKeown | Stunts |
| Crew | Jérôme Tiberghien | Stunts |
| Editing | Thomas Metzger | Colorist |
| Costume & Make-Up | Francine Grenon-Leduc | Seamstress |
| Camera | Denis-Noël Mostert | Steadicam Operator |
| Crew | Laurie Plamondon | Thanks |
| Art | Ginette Paré | Set Decoration |
| Production | Donald Tetreault | Unit Manager |
| Sound | André Vincelli | Dialogue Editor |
| Crew | Mireille Samson | Stunts |
| Lighting | Marco Venditto | Electrician |
| Camera | Pierre Malouin | Grip |
| Camera | Jacques Girard | Key Grip |
