Gabrielle Van Der Mal

Audrey Hepburn

Dr. Fortunati

Peter Finch

Rev. Mother Emmanuel (Belgium)

Edith Evans

Mother Mathilde

Peggy Ashcroft

Dr. Van Der Mal

Dean Jagger

Sister Margharita (Mistress of Postulants)

Mildred Dunnock

Mother Christophe

Beatrice Straight

Sr. William

Patricia Collinge

Sister Eleanor

Rosalie Crutchley

Sister Marie (Sanatorium)

Eva Kotthaus

Mother Marcella (School of Medicine)

Ruth White

Mother Didyma (War-time Hospital)

Barbara O'Neil

Father Vermeuhlen (Leprosarium)

Niall MacGinnis

Sister Pauline

Margaret Phillips

Simone (postulant who changed her mind)

Patricia Bosworth

Dr. Goovaerts (School of Tropical Medicine)

Lionel Jeffries

Archangel Gabriel (Sanatorium)

Colleen Dewhurst

Chaplain

Stephen Murray

Sister Augustine

Molly Urquhart

Kalulu

Orlando Martins

Illunga

Errol John

Sister Aurelie

Dorothy Alison

Louise Van Der Mal

Jeannette Sterke

Louise

Jeanette Sterke

Pierre Van Der Mal

Richard O'Sullivan

Lisa

Diana Lambert

Marie Van Der Mal

Marina Wolkonsky

Jeannette Milonet

Penelope Horner

Pascin (uncredited)

Charles Lamb

Sister Bernard

Ave Ninchi

Bishop

Ludovice Bonhomme

Sister Ellen

Dara Gavin

Murderer of Sister Aurelie (uncredited)

Frank Singuineau

Sister Timothy

Elfrida Simbari

(uncredited)

Elsa Albani

(uncredited)

Gabriella Andreini

(uncredited)

Juan Aymerich

(uncredited)

Giovanna Galletti