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