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.
| Directing | Leo McCarey | Director |
| Writing | Dudley Nichols | Screenplay |
| Production | Leo McCarey | Producer |
| Editing | Harry Marker | Editor |
| Art | William Flannery | Art Direction |
| Art | Darrell Silvera | Set Decoration |
| Costume & Make-Up | Edith Head | Costume Design |
| Writing | Leo McCarey | Story |
| Camera | George Barnes | Director of Photography |
| Sound | Stephen Dunn | Sound Recordist |
| Directing | Harry Scott | Assistant Director |
| Sound | Robert Emmett Dolan | Original Music Composer |
| Art | Albert S. D'Agostino | Art Direction |
| Sound | James G. Stewart | Sound |
| Sound | Richard Van Hessen | Sound |
| Crew | Vernon L. Walker | Special Effects |
| Sound | Louis Kaufman | Musician |
