 | Holly Goss als Holly King |
 | Matt Stokoe als Jensen Day |
 | Luke Albright als JP Hauser Jr. |
 | Ryan Hawley als Andy Thatcher |
 | Gemma Atkinson als Denise Evers |
 | Nikolay Butenin als Sergey |
| Nelly Nielsen als Alya (73 Years) |
 | Valeriya Fedorovich als Alya (20 years) |
| Aleksey Kink als Vallik |
 | Sergey Lobanov als Bartender |
| Oleg Kurlov als Man #1 |
| Dmitriy Miheev als Man #2 |
 | Richard Alan Reid als Sgt. Smirnoff |
| Anton Klimov als Sgt. Smirnoff (voice) |
 | Igor Kulachko als Sgt. Tupelov |
| Aleksey Nesterov als Officer |
| Leonid Lutvinskiy als Hospital Orderly |
 | Jane Perry als Professor Martha Kittles |
| Boris Stepanov als Piotr Karov |
| Anastasiya Burdina als Holly Creature |
| Vikram Weet | Writer |
| Renny Harlin | Director |
| Renny Harlin | Producer |
| Denis Alarkon-Ramires | Director of Photography |
| Boris Teterev | Executive Producer |
| Aleksander Rodnyansky | Producer |
| Steve Mirkovich | Editor |
| Sergey Melkumov | Producer |
| Sergey Bespalov | Producer |
| Kia Jam | Producer |
| Fyodor Savelyev | Art Direction |
| Crystal Ro | Makeup Effects |
| Joe Colwell | Makeup Effects |
| Stephanie Brown | Dialogue Editor |
| Suzanne Smith | Casting |
| Michael Landgrebe | CG Supervisor |
| Marina Leonova | Production Manager |
| Jerad Marantz | Creature Design |
| Christopher S. Aud | Supervising Sound Editor |
| Thomas Duval | Visual Effects Supervisor |
| Marc Meyer | Sound Effects Editor |
| Rick Grayson | First Assistant Editor |
| Terry Rodman | Sound Effects Editor |
| Kirill Timoshichev | Gaffer |
| Dmitrij Eskin | Set Decoration |
| Natalya Shakhnazarova | Location Manager |
| Varvara Avdyushko | Costume Design |
| Dmitrij Chrustalev | Transportation Coordinator |
| Shelly Stoyanova | Script Supervisor |
| Konstantin Semin | Set Decoration |
| J. Stanley Johnston | Sound Re-Recording Mixer |
| Chris Hampton | Makeup Effects |
| Justin Daneman | Visual Effects Supervisor |
| Sergey Korotkov | Still Photographer |
| David Werntz | Sound Effects Editor |
| Viktor Ivanov | Stunt Coordinator |
| Vladimir Kostyuk | Set Decoration |
| James McQuaide | Visual Effects Supervisor |
| Shelley Roden | Foley |
| Gregory H. Watkins | Sound Re-Recording Mixer |
| Martin Astles | Makeup Effects |
| David Danesi | Visual Effects Producer |
| Michael Lafuente | Digital Intermediate |
| Hilda Hodges | Foley |
| Jon Pehlke | Digital Intermediate |
| Marc Dubrois | 3D Supervisor |
| Ilya Churinov | Special Effects Supervisor |
| Benoit Revilliod | 3D Supervisor |
| Cara Beckinsale | Casting Associate |
| Svetlana Chernukhova | Stunt Double |
| Aleksandr Doronin | Stunt Double |
| Yuriy Vashurin | Stunt Double |
| Artem Yankov | Stunts |
| Lev Rodriguez | Focus Puller |
| David Lapierre | Animation |
| Alexia Schmidt | Animation |
| Grigoriy Abalov | Digital Imaging Technician |
| Valentina Savchenko | Craft Service |
| Todd Tucker | Special Effects Makeup Artist |
| Mark C. Manuel | Executive Producer |
| Jacob Pechenik | Executive Producer |
| David Bergstein | Executive Producer |
| Russell Gray | Co-Executive Producer |
| Natalya Kotkova | Co-Executive Producer |
| Nikki Stanghetti | Co-Executive Producer |
| Fyodor Savelyev | Production Designer |
| Yuri Poteyenko | Original Music Composer |
| Mary Ramos | Music Supervisor |
| Holly Adams | Music Supervisor |
| Mary Ellen Woods | First Assistant Director |
| Mariya Korneva | Second Assistant Director |
| Lis Kern | Post Production Supervisor |
| Yuriy Vashurin | Stunts |
| Andrey Debabov | Camera Operator |
| Hamadi Hreitani | First Assistant Camera |
| Evgeny Ilyin | Focus Puller |
| Aleksey Avdeyuk | Assistant Camera |
| Maksim Chernykh | Assistant Camera |
| Tom Scully | First Assistant Editor |
| Rostislav Alimov | Production Sound Mixer |
| Anton Klevtsov | Boom Operator |
| Elena Alimova | Sound |
| Denis Nikolaenko | Decorator |
| Nikolay Rastimeshin | Decorator |
| Miklos Weigert | Storyboard Artist |
| Yekaterina Kharnas | Property Master |
| Ilya Markevich | Lighting Technician |
| Vyacheslav Burtsev | Lighting Technician |
| Eduard Gavrilkov | Lighting Technician |
| Dmitriy Botvinnik | Lighting Technician |
| Igor Titov | Special Effects |
| Mikhail Yakushev | Special Effects |
| Andrey Zhandarmov | Special Effects Technician |
| Roman Pershin | Special Effects Technician |
| Alexey Nenahov | Digital Imaging Technician |
| Irina Lyashko | Makeup & Hair |
| Marina Evseenko | Makeup & Hair |
| Ekaterina Koveshnikova | Makeup & Hair |
| Sofya Chernenkova | Costume Assistant |
| Tatyana Chernikova | Key Costumer |
| Viktoriya Tarusova | Costumer |
| Natalya Shakhnazarova | Unit Production Manager |
| Natalya Gavrilkova | Unit Production Manager |
| Kirill Mazur | Production Assistant |
| Dmitrij Chrustalev | Production Assistant |
| Vazgen Hachatryan | Production Assistant |
| Valentin Denisevich | Production Assistant |
| Natalya Shakhnazarova | Location Coordinator |
