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

Boiangiu Alma

Demon Nun

Dee Bradley Baker

Demonic Voice

Debra Wilson

Demonic Voice

Mark Steger

Duke

Lidiya Korotko

Barmaid

Emma Appleton

Elena (uncredited)

Jonny Coyne

Gregoro

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)