 | Skye Bennett als Sarah |
 | Noah Huntley als Ben |
 | Dominique McElligott als Emily |
 | Ronald Pickup als Tobias |
 | William Hope als Jon |
 | Leon Herbert als Rick |
 | Philip Bretherton als Walter |
 | Mr. Lordi als Lead Monster |
 | Kita als Monster |
 | Amen als Monster |
 | OX als Monster |
 | Awa als Monster |
| Jeremy Zimmermann | Casting |
| Pete Riski | Director |
| Markus Selin | Producer |
| Jean-Noël Mustonen | Director of Photography |
| Tuomo Hintikka | Visual Effects Supervisor |
| Konsta Mannerheimo | Special Effects Coordinator |
| Tiina Anttila | Production Design |
| Saara Kankaanpää | Production Manager |
| Santtu Sierilä | Sound Editor |
| Kari Piirainen | Visual Effects Producer |
| Antti Ruusuvuori | Still Photographer |
| Aki Karppinen | Gaffer |
| Jouni Mutanen | Still Photographer |
| Mike Tiverios | Steadicam Operator |
| Joona Louhivuori | Editor |
| Stefan Sundlöf | Editor |
| Antti Kulmala | Editor |
| Pinka Hämäläinen | Production Accountant |
| Juha Pursiainen | Stunt Coordinator |
| Rampe Toivonen | Publicist |
| Tazu Ovaska | Gaffer |
| Sirkka Rautiainen | Script Supervisor |
| Jyrki Rahkonen | Sound Designer |
| Onni Tappola | Camera Operator |
| Milla Vilmi | Script Supervisor |
| Pekka Lehtosaari | Writer |
| Jim Udenberg | Makeup Designer |
| Mari Vaalasranta | Makeup Designer |
| Anna Vilppunen | Costume Design |
| Johanna Askola-Putaansuu | Makeup Designer |
| Johanna Askola-Putaansuu | Costume Designer |
| Mr. Lordi | Original Concept |
| Pete Riski | Original Concept |
| Jukka Helle | Executive Producer |
| Mr. Lordi | Makeup Designer |
| Mr. Lordi | Costume Designer |
| Mari Vaalasranta | Key Makeup Artist |
| Ásta Hafthórsdóttir | Special Effects Makeup Artist |
| Lene Bruksås | Special Effects Makeup Artist |
| Frida T.G. Hegna | Special Effects Makeup Artist |
| Jouni Mutanen | First Assistant Director |
| Johanna Velling | Second Assistant Director |
| Teppo Lakaniemi | Assistant Production Design |
| Tytti Kokkonen | Assistant Set Dresser |
| Tiina Nuortimo | Assistant Set Dresser |
| Alan Hopper | Carpenter |
| Jukka Kreus | Carpenter |
| Tero Mäkelä | Carpenter |
| Simo Sulva | Carpenter |
| Hessu Tönkyrä | Carpenter |
| Hantte Oivo | Construction Manager |
| Sami Silvennoinen | Construction Manager |
| Katja Aaltonen | Key Set Painter |
| Asta Alamartimo | Painter |
| Kaisa Karvinen | Painter |
| Niko Konttinen | Painter |
| Pietu Kotila | Painter |
| Pasi Murto | Painter |
| Johanna Riepula | Painter |
| Jyrki Mäki | Property Master |
| Markus Tuppurainen | Storyboard Artist |
| Sari Aaltonen | Assistant Camera |
| Juha Ruotsalainen | Electrician |
| Antti Ruusuvuori | First Assistant Camera |
| Juge Heikkilä | First Assistant Camera |
| Jan Granström | First Assistant Camera |
| Jan Granström | Still Photographer |
| Juha Niska | Key Grip |
| Riku Roimu | Lighting Technician |
| Jani Häkli | Second Assistant Camera |
| Petri Kiljunen | Second Assistant Camera |
| Jarkko Liikanen | Second Assistant Camera |
| Jarkko Virtanen | Second Assistant Camera |
| Risto Vauras | Still Photographer |
| Peter Gleaves | ADR Mixer |
| Eric Thompson | ADR Mixer |
| Nick Kray | ADR Recordist |
| Travis MacKay | ADR Recordist |
| Katja Kostiainen | Sound Assistant |
| Anne Tolkkinen | Boom Operator |
| Árni Gústafsson | Boom Operator |
| Jari Ikonen | Dialogue Editor |
| Richard Stockdale | Dolby Consultant |
| Markus Degerman | Foley Artist |
| Kimmo Vänttinen | Foley Artist |
| Sami Sarhamaa | Foley Recordist |
| Mika Niinimaa | Foley Recordist |
| Mika Niinimaa | Sound Editor |
| Johanna Velling | Casting |
| Hilkka Suvanto | Extras Casting |
| Emmi Leeve | Wardrobe Assistant |
| Seija Mällinen | Wardrobe Assistant |
| Anna Vilppunen | Wardrobe Designer |
| Annukka Lilja | Assistant Editor |
| Jenni Saaristo | Assistant Editor |
| Rodrigo Villalobos Cáceres | Assistant Editor |
| Marko Terävä | Colorist |
| Teemu Luoma | Editorial Staff |
| Petteri Linnus | Online Editor |
| Saija Tiitinen | Production Secretary |
| Mika Karttunen | Translator |
| Kimmo Torkkeli | Systems Administrators & Support |
| Peter Balazs | Visual Effects |
| Mikko Hietala | Visual Effects |
| Antti Hämäläinen | Visual Effects |
| Matti Kaihola | Visual Effects |
| Panu Kujala | Visual Effects |
| Turkka Kylliäinen | Visual Effects |
| Carlos Santos | Visual Effects |
| Tomi Nieminen | VFX Artist |
| Tuomas Helminen | Special Effects Technician |
| Jakke Huovinen | Special Effects Technician |
| Mikael Lysti | Special Effects Technician |
| Jari Rinne | Special Effects Technician |
| Raine Toikkanen | Special Effects Technician |
| Tuomo Uusitalo | Special Effects Technician |
| Wellu Mikkonen | Lighting Technician |
| Ville Riippa | Original Music Composer |
| Olli Pärnänen | Sound Re-Recording Mixer |
| Sirkka Rautiainen | Line Producer |
| Saara Kankaanpää | Line Producer |
| Jari Ikonen | Production Sound Mixer |
| Harri Virtanen | Dramaturgy |
| Árni Gústafsson | Sound Re-Recording Mixer |
| Ingvar Þórðarson | Co-Producer |
| Júlíus Kemp | Co-Producer |
