 | Essie Davis als Amelia Vanek |
 | Noah Wiseman als Samuel Vanek |
 | Hayley McElhinney als Claire |
 | Daniel Henshall als Robbie |
 | Barbara West als Gracie Roach |
 | Ben Winspear als Oskar Vanek |
 | Cathy Adamek als Prue |
 | Craig Behenna als Warren |
| Hachi als Bugsy |
| Tim Purcell als The Babadook |
| Chloe Hurn als Ruby |
| Jacquy Phillips als Beverly |
| Bridget Walters als Norma |
| Adam Morgan als Sergeant |
| Pippa Wanganeen als Eastern Suburbs Mum 1 |
| Peta Shannon als Eastern Suburbs Mum 2 |
| Michelle Nightingale als Eastern Suburbs Mum 3 |
| Tony Mack als Principal |
| Carmel Johnson als Teacher |
| Michael Gilmour als Young Policeman 1 |
| Craig McArdle als Young Policeman 2 |
 | Terence Crawford als Doctor |
 | Tiffany Lyndall-Knight als Supermarket Mum |
| Lucy Hong als Supermarket Little Girl |
| Sophie Riggs als Checkout Chick |
| John Maurice als Car Guy |
| Stephen Sheehan als Magician |
| Alicia Zorkovic als Fast Food Mum |
| Lotte Crawford als Kissing Woman |
| Chris Roberts als Kissing Man |
| Annie Batten als Old Woman in Corridor |
| India Zorkovic als Fast Food Kid 1 |
| Isla Zorkovic als Fast Food Kid 2 |
| Charlie Crabtree als Fast Food Kid 3 |
| Ethan Grabis als Fast Food Kid 4 |
| Sophie Allan als Fast Food Kid 5 |
| Jennifer Kent | Director |
| Jennifer Kent | Writer |
| Kristian Moliere | Producer |
| Kristina Ceyton | Producer |
| Radek Ładczuk | Director of Photography |
| Jed Kurzel | Original Music Composer |
| Nikki Barrett | Casting |
| Simon Njoo | Editor |
| John Haratzis | Scenic Artist |
| Jennifer Drake | Set Decoration |
| Frank Lipson | Sound Effects Editor |
| Robertto Karas | Gaffer |
| Heather Wallace | Costume Design |
| Clint Dodd | Special Effects Coordinator |
| Matt Nettheim | Still Photographer |
| Ross Perkin | Set Designer |
| Reg Roordink | Stunt Coordinator |
| Taera Shroff | Script Supervisor |
| Karen Hannaford | Art Direction |
| Sean Lahiff | First Assistant Editor |
| Scott McDonald | Location Manager |
| Des Kenneally | Sound Recordist |
| Louis Puli | Camera Operator |
| Marty Pepper | Visual Effects Supervisor |
| Chris Chamberlin | Unit Publicist |
| Michael Fairbairn | Additional Camera |
| Pete Best | Associate Producer |
| Pete Best | ADR Mixer |
| Pete Best | Dialogue Editor |
| Frank Hruby | Focus Puller |
| Sue Carroll | Makeup & Hair |
| Michael Cusack | Prop Maker |
| Tracy Phillpot | Hair Supervisor |
| Dimitri Ellerington | First Assistant Director |
| John Simpson | Foley Artist |
| Nima Nabili Rad | Second Unit Director of Photography |
| Mark Kraus | Production Accountant |
| Zac Murphy | Gaffer |
| Natalie Wall | Casting Associate |
| Judi Oehme | Production Coordinator |
| Marion Lee | Makeup & Hair |
| Mike Smith | Key Grip |
| Vicki Nhieu | Wardrobe Assistant |
| James Boorman | Title Designer |
| Adam Camporeale | Assistant Camera |
| Gemma Salomon | Production Secretary |
| Tara Webb | ADR Mixer |
| Brad Lanyon | First Assistant Director |
| Kelly Rivett | Art Department Assistant |
| Andrew McGrath | ADR Mixer |
| Louis Puli | Steadicam Operator |
| Kim O'Mallon | Costume Assistant |
| Marco Arlotta | Boom Operator |
| Maxx Corkindale | Clapper Loader |
| Conor Reid | Art Department Assistant |
| Dimitri Zaunders | Data Wrangler |
| Paul Spencer | Construction Manager |
| Wesley Champion | Prop Maker |
| Jordan Agutter | Assistant Camera |
| Chris Davies | Grip |
| Tracy Phillpot | Makeup Supervisor |
| Ben Walsh | Grip |
| Richard Chataway | Prop Maker |
| Marty Pepper | Digital Intermediate Colorist |
| Scott Illingworth | ADR Mixer |
| Pete Smith | Sound Re-Recording Mixer |
| Kasra Rassoulzadegan | Assistant Editor |
| Gerard Maher | First Assistant Camera |
| Aimée-Lee Curran | Art Department Assistant |
| Justin Dix | Prosthetics |
| Dimitri Zaunders | Additional Camera |
| Alex Holmes | Production Design |
| Michael Philippou | Production Runner |
| Danny Philippou | Electrician |
| Olivia Beardsley | Stand In |
| Olivia Beardsley | Second Unit |
