Claudette Colbert as Sister Mary Bonaventure

Ann Blyth as Valerie Carns

Robert Douglas as Dr. Edward Jeffreys

Anne Crawford as Isabel Jeffreys

Philip Friend as Sidney Kingham

Gladys Cooper as Mother Superior

Michael Pate as Willie Pentridge

John Abbott as Abel Harmer

Connie Gilchrist as Sister Josephine

Gavin Muir as Melling

Phyllis Stanley as Nurse Phillips

Norma Varden as Pierce

Valerie Cardew as Nurse Colby

Queenie Leonard as Mrs. Smithson

Patrick O'Moore as Mr. Smithson

Gertrude Astor as Village Woman (uncredited)

Jack Carol as Villager (uncredited)

Steve Clark as Mr. Moore (uncredited)

David Dunbar as Minor Role (uncredited)

Herbert Evans as Villager (uncredited)

Betty Fairfax as Old Woman (uncredited)

James Fairfax as Villager (uncredited)

Arthur Gould-Porter as Proprietor (uncredited)

Bobby Hale as Villager (uncredited)

Alma Lawton as Nurse Brent (uncredited)

William O'Leary as Mr. Evans (uncredited)

Tudor Owen as Old Man (uncredited)

Tempe Pigott as Old Crone (uncredited)

Hilda Plowright as Villager (uncredited)

Felippa Rock as Sister Agatha (uncredited)

John Rogers as Villager (uncredited)

Gary Stewart as Child (uncredited)