Father O'Malley is sent to St. Mary's, a run-down parochial school on the verge of condemnation. He and Sister Benedict work together in an attempt to save the school, though their differing methods often lead to good-natured disagreements.
Bing Crosby
as Father Chuck O'Malley
Ingrid Bergman
as Sister Mary Benedict
Henry Travers
as Horace P. Bogardus
William Gargan
as Joe Gallagher
Ruth Donnelly
as Sister Michael
Joan Carroll
as Patsy Gallagher
Martha Sleeper
as Mary Gallagher
Rhys Williams
as Dr. McKay
Richard Tyler
as Eddie Breen
Una O'Connor
as Mrs. Breen
Edward Coch Jr.
as Baby Jesus (uncredited)
Aina Constant
as Nun (uncredited)
