Beatrice Straight
Mother Christophe

Patricia Collinge
Sister William

Rosalie Crutchley
Sister Eleanor

Ruth White
Mother Marcella

Barbara O'Neil
Mother Didyma

Margaret Phillips
Sister Pauline
Patricia Bosworth
Simone

Colleen Dewhurst
Dangerous Hospital Patient

Stephen Murray
Chaplain

Lionel Jeffries
Dr. Goovaerts