Mortimer Brewster, a newspaper drama critic, playwright, and author known for his diatribes against marriage, suddenly falls in love and gets married; but when he makes a quick trip home to tell his two maiden aunts, he finds out his aunts' hobby - killing lonely old men and burying them in the cellar!
| Directing | Frank Capra | Director |
| Production | Frank Capra | Producer |
| Production | Jack L. Warner | Producer |
| Writing | Joseph Kesselring | Theatre Play |
| Writing | Julius J. Epstein | Screenplay |
| Writing | Philip G. Epstein | Screenplay |
| Camera | Sol Polito | Director of Photography |
| Editing | Daniel Mandell | Editor |
| Art | Max Parker | Art Direction |
| Costume & Make-Up | Orry-Kelly | Costume Design |
| Costume & Make-Up | Perc Westmore | Makeup Artist |
| Costume & Make-Up | George Bau | Makeup Artist |
| Production | Eric Stacey | Unit Production Manager |
| Directing | Russell Saunders | Assistant Director |
| Sound | C.A. Riggs | Sound |
| Crew | Robert Burks | Special Effects |
| Crew | Byron Haskin | Special Effects |
| Camera | Wesley Anderson | Additional Camera |
| Camera | Mickey Marigold | Still Photographer |
| Camera | Harold Noyes | Grip |
| Sound | Hugo Friedhofer | Orchestrator |
| Sound | Max Steiner | Original Music Composer |
| Sound | Leo F. Forbstein | Original Music Composer |
| Sound | Everett Alton Brown | Sound Mixer |
| Costume & Make-Up | John Wallace | Makeup Artist |
| Crew | Bob Fender | Unit Publicist |
| Costume & Make-Up | Anita De Beltrand | Hairstylist |
| Directing | Claude Archer | Second Assistant Director |
| Camera | Frank Evans | Assistant Camera |
| Lighting | Charles O'Bannon | Gaffer |
