 | Taissa Farmiga als Merricat Blackwood |
 | Alexandra Daddario als Constance Blackwood |
 | Crispin Glover als Uncle Julian Blackwood |
 | Sebastian Stan als Charles Blackwood |
 | Paula Malcomson als Helen Clarke |
 | Peter Coonan als Bobby Dunham |
 | Ian Toner als Jim Donnell |
 | Joanne Crawford als Stella |
 | Anna Nugent als Lucille Wright |
 | Peter O'Meara als Sam Clarke |
| Luan James Geary als Sean Harris |
 | Cormac Melia als Tim Harris |
| Liz O'Sullivan als Mrs. Harris |
 | Bosco Hogan als Old Ned |
 | Stephen Hogan als John Blackwood |
 | Maria Doyle Kennedy als Mrs. Blackwood |
| Stacie Passon | Director |
| Piers McGrail | Director of Photography |
| Andrew Hewitt | Original Music Composer |
| Jared Ian Goldman | Producer |
| Robert Mitas | Producer |
| Ryan Denmark | Editor |
| Shirley Jackson | Novel |
| Mark Kruger | Screenplay |
| Stacie Passon | Screenplay |
| Michael Douglas | Executive Producer |
| Laurence Jackson Hyman | Executive Producer |
| Kieran Corrigan | Executive Producer |
| Robert Halmi Jr. | Executive Producer |
| Jim Reeve | Executive Producer |
| Suzanne McAuley | Line Producer |
| Anna Rackard | Production Design |
| Maggie Phillips | Music Supervisor |
| Ed Bruce | Visual Effects Supervisor |
| Eimer Ní Mhaoldomhnaigh | Costume Designer |
| Maureen Hughes | Casting |
| Eimear O'Kane | Unit Production Manager |
| Jonathan Shaw | First Assistant Director |
| Sophie Higel | Second Assistant Director |
| Alan Walsh | Stunt Coordinator |
| Hugh Fox | Sound Recordist |
| John Foster | Grip |
| Addo Gallagher | Gaffer |
| Louise Mathews | Art Direction |
| Chan Kin | Property Master |
| Sharon Doyle | Makeup Designer |
| Eileen Buggy | Hair Designer |
| Bernard Walsh | Still Photographer |
| Martin Czembor | Sound Re-Recording Mixer |
| James David Redding III | Sound Re-Recording Mixer |
| Jacob Ribicoff | Sound Designer |
| Michael McMenomy | Sound Designer |
| Leslie Bloome | Foley Artist |
