Audrey Hepburn
Sister Luke
Acting
Peter Finch
Dr. Fortunati
Acting
Edith Evans
Rev. Mother Emmanuel
Acting
Peggy Ashcroft
Mother Mathilde
Acting
Dean Jagger
Dr. Hubert Van Der Mal
Acting
Mildred Dunnock
Sister Margharita
Acting
Beatrice Straight
Mother Christophe
Acting
Patricia Collinge
Sister William
Acting
Rosalie Crutchley
Sister Eleanor
Acting
Ruth White
Mother Marcella
Acting
Barbara O'Neil
Mother Didyma
Acting
Margaret Phillips
Sister Pauline
Acting
Patricia Bosworth
Simone
Acting
Colleen Dewhurst
Dangerous Hospital Patient
Acting
Stephen Murray
Chaplain
Acting
Lionel Jeffries
Dr. Goovaerts
Acting
Niall MacGinnis
Father Vermeuhlen
Acting
Eva Kotthaus
Sister Marie
Acting
Molly Urquhart
Sister Augustine
Acting
Dorothy Alison
Sister Aurelie
Acting
Jeanette Sterke
Louise
Acting
Errol John
Illunga
Acting
Diana Lambert
Lisa
Acting
Orlando Martins
Kalulu
Acting
Penelope Horner
Jeanette Milonet (uncredited)
Acting
Charles Lamb
Pascin (uncredited)
Acting
Ave Ninchi
Sister Bernard (uncredited)
Acting
Richard O'Sullivan
Pierre (uncredited)
Acting
Frank Singuineau
Murderer of Sister Aurelie (uncredited)
Acting
Elsa Albani
(uncredited)
Acting
Gabriella Andreini
(uncredited)
Acting
Juan Aymerich
(uncredited)
Acting
Grazia De Rossi
(uncredited)
Costume & Make-Up
Giovanna Galletti
(uncredited)
Acting