 | Brad Dourif als Chucky (voice) |
 | Jennifer Tilly als Tiffany (voice) / Jennifer Tilly |
 | Billy Boyd als Glen / Glenda (voice) |
 | Redman als Redman |
 | Hannah Spearritt als Joan |
 | John Waters als Pete Peters |
 | Keith-Lee Castle als Psychs |
 | Steve West als Stan |
 | Tony Gardner als Tony Gardner |
 | Jason Flemyng als Santa |
 | Nicholas Rowe als Lawyer |
 | Stephanie Chambers als Claudia's Mum |
 | Simon James Morgan als Claudia's Dad |
| Betty Denville als Claudia |
| Rebecca Santos als Fulvia |
 | Jordan El-Balawi als Human Glen |
 | Kristina Hewitt als Human Glenda |
| Daniel Getzoff als Assistant Director |
| Nicola Mycroft als Reporter |
| Guy J. Louthan als Don Mancini |
| Diana Munteanu als Fan |
| Anouk Diks als Interviewer |
| Barnaby Harrison als Laughing Puppeteer |
| Eliot Mathews als Cop #1 |
| Adi Handac als Cop #2 |
| Paul Grossman als Little Boy |
| Nadia Dina Ariqat als Britney |
 | Martha Stewart als Herself (archive footage) (uncredited) |
 | Rurik Sallé als Journalist (uncredited) |
| Don Mancini | Director |
| David Kirschner | Producer |
| Pino Donaggio | Original Music Composer |
| Don Mancini | Screenplay |
| Corey Sienega | Producer |
| Ilinca Nanoveanu | Editor |
| Chris Dickens | Editor |
| Vernon Layton | Director of Photography |
| Razvan Bestea | Graphic Designer |
| Kate Plantin | Casting |
| Oana Păunescu | Costume Design |
| Laura Moskowitz | Co-Producer |
| Don Mancini | Characters |
| Christian Niculescu | Production Design |
| Stuart St. Paul | Stunt Coordinator |
| Heather Phillips | Stunt Double |
| Mihaela Elena Oros | Stunt Double |
| Roxana Andronescu | Stunt Double |
| Vasilescu Valentin | Stunt Double |
| Sarah Hayward | Script Supervisor |
| Cătălin Ciutu | Key Hair Stylist |
| Paul Dunn | Special Effects Supervisor |
| Wilma Dunn | Special Effects Coordinator |
| Sam Nicholson | Visual Effects Supervisor |
| Simon Allmark | Visual Effects Editor |
| Pete von Sholly | Storyboard Artist |
| Tim Hands | Supervising Sound Editor |
| Jack Whittaker | Sound Effects Editor |
| Jason Canovas | Dialogue Editor |
| Derek Trigg | Foley Editor |
| Ted Swanscott | Foley Mixer |
| Jack Stew | Foley Artist |
| Felicity Cottrell | Foley Artist |
| Brendan Donnison | ADR Voice Casting |
| Vanessa Baker | ADR Voice Casting |
| Adrian Rhodes | Sound Re-Recording Mixer |
| Sven Taits | Sound Re-Recording Mixer |
| Philip Jenkins | Sound Mix Technician |
| Crina Cartos | Construction Coordinator |
| Stephanie Keating | Unit Publicist |
| Rolf Konow | Still Photographer |
| Guy J. Louthan | Second Unit Director |
| Jason Wheeler | Negative Cutter |
| Michael Stainer | Color Timer |
| James Seddon | Dolby Consultant |
| Guy J. Louthan | Co-Producer |
| Vlad Păunescu | Co-Producer |
| Judy Farr | Art Direction |
| Dan Toader | Set Decoration |
| Fotea Alex | First Assistant Director |
| Tudor Cotovelea | Third Assistant Director |
| Aurel Boata | Stunts |
| Marius Florian | Stunts |
| Vasile Albineț | Stunts |
| Martin Klebba | Stunts |
| Adrian Pavlovschi | Stunt Coordinator |
| George Richmond | Camera Operator |
| George Richmond | Steadicam Operator |
