 | Mackenzie Davis als Kate |
 | Finn Wolfhard als Miles |
 | Brooklynn Prince als Flora |
 | Mark Huberman als Bert |
 | Niall Greig Fulton als Peter Quint |
 | Kim Adis als Rose |
 | Joely Richardson als Darla Mandell |
 | Denna Thomsen als Miss Jessel |
 | Barbara Marten als Mrs. Grose |
 | Karen Egan als Nancy |
 | Darlene Garr als Holly |
| Priscilla John | Casting Director |
| Kiran Shah | Stunt Double |
| Duwayne Dunham | Editor |
| Paki Smith | Production Design |
| Justine Wright | Assistant Set Decoration |
| Nathan Barr | Original Music Composer |
| Roy Lee | Producer |
| Carey Hayes | Screenplay |
| Chad Hayes | Screenplay |
| Henry James | Novel |
| Robert Flanagan | Production Sound Mixer |
| David Ungaro | Director of Photography |
| David Ungaro | Camera Operator |
| Lee Sheward | Second Unit Director |
| Scott Bernstein | Producer |
| Gregg London | First Assistant Editor |
| Floria Sigismondi | Director |
| Alan Moloney | Co-Producer |
| Joe Cappelletti | ADR Voice Casting |
| Brendan O'Sullivan | Assistant Location Manager |
| Jane Moran | Editor |
| Louise Kiely | Casting |
| Mark Henry | ADR Recordist |
| Jonas Spaccarotelli | Co-Producer |
| Jonas Spaccarotelli | First Assistant Director |
| Donal O'Farrell | Stunt Coordinator |
| Jo Homewood | Line Producer |
| Nigel Pollock | Art Direction |
| Nigel Pollock | Supervising Art Director |
| Michael Trent | Additional Editor |
| John Loranger | Foley Editor |
| John Sievert | Foley Artist |
| Randy Wilson | Foley Mixer |
| Randy Wilson | Foley Supervisor |
| Mick Flood | Property Master |
| Paul Cullen | Transportation Captain |
| Scott Millan | Sound Re-Recording Mixer |
| Leonie Prendergast | Costume Design |
| Daniel Pagan | Supervising Sound Editor |
| Renee Burke | Script Supervisor |
| Eric Bialas | Steadicam Operator |
| Eric Bialas | "B" Camera Operator |
| Orla Carrol | Hair Department Head |
| Lynn Johnson | Makeup Department Head |
| Kevin Byrne | Special Effects Supervisor |
| Patrick Redmond | Still Photographer |
| Colm Nolan | Location Manager |
| Des Whelan | Second Unit Director of Photography |
| Mark Silk | Underwater Camera |
| David Esparza | Sound Re-Recording Mixer |
| Russell Farmarco | Dialogue Editor |
| Russell Farmarco | ADR Editor |
| Eva Jensen | Studio Teacher |
| Paul Drenning | ADR Mixer |
| Lorraine Brennan | Hairstylist |
| Sonia Dolan | Makeup Artist |
| Michael T. Ryan | Music Editor |
| Gerry Lundberg | Unit Publicist |
| Chris Navarro | ADR Mixer |
| Seth William Meier | Executive Producer |
| Seth William Meier | Unit Production Manager |
| Alan Walsh | Stunt Coordinator |
| Mark Coffey | First Assistant Sound Editor |
| Michael Kneafsey | Boom Operator |
| Michael Standish | Set Decoration |
| Lee Riley | ADR Mixer |
| Drew Kilcoin | Assistant Editor |
| Gunnar McGrew | Post Production Supervisor |
| Jason Charbonneau | Foley Artist |
| Simon Magee | Gaffer |
| Jeff Gersh | ADR Mixer |
| Perry Goyen | Set Costumer |
| Corinne Villa | Visual Effects Editor |
| Mollie Gamo | Casting Associate |
| Colm Bassett | Construction Manager |
| Andreya Lynham | Casting Assistant |
| Rori Bergman | Casting |
| Belinda McGinley | Stunt Double |
| George Walker | Second Unit First Assistant Director |
| Mark Forbes | Scenic Artist |
| Caroline Bradley | Set Costumer |
| Lawrence Rothman | Music Supervisor |
| Mike Hayes | Second Second Assistant Director |
| Kristi McIntyre | Foley Editor |
| Alice Vignoles-Russell | Assistant Art Director |
| Pamela B. Green | Creative Director |
| Pamela B. Green | Main Title Designer |
| Eddie Drew | Animal Wrangler |
| Bob Lacivita | ADR Mixer |
| Kevin Birou | Assistant Editor |
| Dave Wilson | ADR Mixer |
| Andrew Burford | Stunt Double |
| Giulia Chiara Rocca | Post Production Coordinator |
| Ron Mellegers | Foley Mixer |
| Holly Bario | Co-Producer |
| Igor Iskra | Boom Operator |
| Donna Williams | Stunt Double |
| Josh Woolf | Post Production Coordinator |
| Robert Flood | First Assistant "B" Camera |
| Paul Tsan | Key Grip |
| Theo de Rosé | Second Unit First Assistant Director |
| Chelsea Mather | Stunt Double |
| Dave Thom | Electrician |
| Anna Stephenson | Stunt Double |
| Benjamin Darier | ADR Mixer |
| Justine Wright | Assistant Set Decoration |
| Danny Miller | Assistant Editor |
| Anna Grönerus | Hairstylist |
| Elaine Finnan | Makeup Artist |
| Derbhla McClelland | Costume Supervisor |
| Derbhla McClelland | Assistant Costume Designer |
| Alan O'Brien | Assistant Accountant |
| Andrew O'Reilly | First Assistant "A" Camera |
| Ciaran Cullen | Best Boy Electric |
| Sonya Deegan | Camera Trainee |
| Ross O'Brien | Electrician |
| Karen Byrne | Production Secretary |
| Tommy Griffin | Second Assistant "A" Camera |
| Esme Pum McNamee | Second Assistant "B" Camera |
| Patrick Griffin | Camera Trainee |
| Orla King | Second Assistant Director |
| Mathias Hilger | Assistant Editor |
| Ger Clancy | Sculptor |
| Karen McSwiney | Production Accountant |
| Charlie Barrett | Stunt Double |
| Sarah O'Farrell | Stunt Double |
| Steve Walsh | Stunt Double |
| Bernadette Werner | Stunt Double |
| Andrew Robinson | Draughtsman |
| Andrew Clancy | Sculptor |
| Ciaran Bonner | Sculptor |
| Jason Groarke | Storyboard Artist |
| Sean Jackson | Tailor |
| Denise Assas | Tailor |
| Gillian Carew | Tailor |
| Michael Byrne | Location Assistant |
| Orla Collins | First Assistant Accountant |
| Kathy Tynan | Production Coordinator |
| Miriam Cahill | Assistant Production Coordinator |
| Billy Buckley | Head Carpenter |
| Sean Brown | Assistant Editor |
