Taissa Farmiga

Sister Irene

Anna Popplewell

Kate

Jonas Bloquet

Maurice Theriault

Storm Reid

Sister Debra

Katelyn Rose Downey

Sophie

Léontine d'Oncieu

Simone

Anouk Darwin Homewood

Céleste

Sarah Pachoud

Emily

Suzanne Bertish

Madame Laurent

Bonnie Aarons

The Demon Nun / Valak

Peter Hudson

Father Ridley

Tamar Baruch

Sister Amara

Natalia Safran

Sister Chloe

Maxime Elias-Menet

Jacques

Pascal Aubert

Father Noiret

Alexandra Gentil

Sister Astrid

Florence Mestais

Double Demon Nun

Margaux Borel

Double Demon Nun

Viviana Moin

Sister Maria

Renata Palminiello

Sister Pia

Fulvia Patrizia Olivieri

Abbess

Camille Amiel

Julie

Margot Morris

Aurélie

Gaël Raës

Cedric the Altar Boy