 | Jewel Staite als Liz |
 | Justin Baldoni als Peter |
 | Marc Bacher als Ira |
 | Nikki Griffin als Lauren |
 | Kellan Lutz als Jake |
 | Helena Barrett als Myra |
| Mohit Ramchandani als Mo |
 | Terry Notary als Alpha Creature |
| Rhianna Vigrass als Flashback Voiceover (voice) |
| Andrea Esquivel als Creature |
| Jörg Ihle | Director |
| Jörg Ihle | Screenplay |
| Wallace Balboa | Producer |
| Jo Bamford | Executive Producer |
| Terry Notary | Executive Producer |
| Mohit Ramchandani | Executive Producer |
| Ashok Rao | Executive Producer |
| Joel Sadilek | Line Producer |
| Kyle Kenneth Batter | Original Music Composer |
| Jessica N. Kehrhahn | Editor |
| Ed Marx | Editor |
| Bayard Stryker | Editor |
| Ricki Maslar | Casting |
| William Budge | Production Design |
| Nicole Lobart | Production Design |
| Melanie Rein | Set Decoration |
| Swinda Reichelt | Costume Design |
| Rebecca Wachtel | Makeup Department Head |
| Jeffrey A. Pitts | Sound Designer |
| Terry Notary | Stunt Coordinator |
| Christopher Popp | Director of Photography |
| Nicholas James | Dialogue Editor |
| Nikki Carbonetta | Key Makeup Artist |
| Steve Costanza | Makeup Artist |
| Katrin Hoffmann | Assistant Costume Designer |
| Aria Stewart | Assistant Editor |
| Terry Notary | Choreographer |
| Angelo Figlio | Electrician |
| Maciek Malish | Foley |
| Tomasz Dukszta | Foley Mixer |
| Valdern L'Roi Chalwell | Sound Editor |
| Donald Lyles | Sound Re-Recording Mixer |
| Vance Walden | Sound Re-Recording Mixer |
| Jean-Paul DeMars | Colorist |
