| Annabelle Wallis | Mia |
| Patrick Wilson | Ed Warren |
| Stephanie Sigman | Sister Charlotte |
| Taissa Farmiga | Sister Irene |
| Vera Farmiga | Lorraine Warren |
| Demián Bichir | Father Burke |
| Talitha Bateman | Janice |
| Ward Horton | John |
| Alfre Woodard | Evelyn |
| Anthony LaPaglia | Samuel Mullins |
| Bonnie Aarons | Valak/The Nun |
| Frances O'Connor | Peggy Hodgson |
| Ron Livingston | Roger Perron |
| Charlotte Hope | Sister Victoria |
| Lili Taylor | Carolyn Perron |
| Madison Wolfe | Janet Hodgson |
| Miranda Otto | Esther Mullins |
| Tony Amendola | Father Perez |
| Ingrid Bisu | Sister Oana |
| Kerry O'Malley | Sharon Higgins |
| Lauren Esposito | Margaret Hodgson |
| Lulu Wilson | Linda |
| Shanley Caswell | Andrea |
| Brian Howe | Pete Higgins |
Technical Credits
| Corin Hardy | Director |
| David F. Sandberg | Director |
| James Wan | Director |
| John R. Leonetti | Director |
