Taissa Farmiga
Sister Irene
Demián Bichir
Father Burke
Bonnie Aarons
The Nun / Valak
Jonas Bloquet
Maurice Theriault
Ingrid Bisu
Sister Oana
Patrick Wilson
Ed Warren
Vera Farmiga
Lorraine Warren
Lili Taylor
Carolyn Perron
Charlotte Hope
Sister Victoria
Sandra Teles
Sister Ruth
Maria Obretin
Sister Abigail
August Maturo
Daniel
Jack Falk
Daniel
Lynnette Gaza
Mother Superior
Ani Sava
Sister Jessica
Michael Smiley
Father Pasquale
Gabrielle Downey
The Abbess
David Horovitch
Cardinal Conroy
Tudor Munteanu
Grigore
Lili Bordán
Waitress Marta
Scarlett Hicks
Scarlett
Izzie Coffey
Student
Jared Morgan
Marquis
Laur Dragan
Villager
Eugeniu Cozma
Villager
Manuela Ciucur
Sister Christine
Beatrice Péter
Praying Nun
Ana Udroiu
Praying Nun
Andreea Sovan
Praying Nun
Dana Voicu
Praying Nun
Andreea Moldovianu
Praying Nun
Beatrice Rubica
Praying Nun
Claudia Susanu
Praying Nun
Alma Boiangiu
Demon Nun
Gabriela Irina Dinca
Demonic Nun
Dee Bradley Baker
Demonic Voice
Debra Wilson
Demonic Voice
Mark Steger
Duke
Lidiya Korotko
Barmaid
Emma Appleton
Elena (uncredited)
Jonny Coyne
Gregoro
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)