Taissa Farmiga
Sister Irene
Demián Bichir
Father Burke
Bonnie Aarons
The Nun / Valak
Jonas Bloquet
Maurice Theriault
Vera Farmiga
Lorraine Warren
Lili Taylor
Carolyn Perron
Charlotte Hope
Sister Victoria
Maria Obretin
Sister Abigail
Lynnette Gaza
Mother Superior
Michael Smiley
Father Pasquale
Gabrielle Downey
The Abbess
David Horovitch
Cardinal Conroy
Lili Bordán
Waitress Marta
Manuela Ciucur
Sister Christine
Beatrice Péter
Praying Nun
Andreea Moldovianu
Praying Nun
Beatrice Rubica
Praying Nun
Claudia Susanu
Praying Nun
Gabriela Irina Dinca
Demonic Nun
Dee Bradley Baker
Demonic Voice
Debra Wilson
Demonic Voice
Emma Appleton
Elena (uncredited)
Natalie Creek
1950's Catholic School Girl (uncredited)
Flynn Hayward
Sister Samantha (uncredited)
Daniel Mandehr
Farmer Jozef
Samson Marraccino
Timothy (uncredited)
Jamie Muscato
Father Patino (uncredited)
Lourdes Nadres
Nun (uncredited)
Simon Rhee
Holy Man 1 (uncredited)
Sandra Rosko
Captured Nun (uncredited)
HayRae Rummel
Catholic School Girl (uncredited)
Claudio Lee Smith
Demon (uncredited)