Twenty-three years after scoring the winning touchdown for his college football team mild-mannered Harold Diddlebock, who has been stuck in a dull, dead-end book-keeping job for years, is let go by his pompous boss, advertising tycoon J.E. Wagglebury, with nothing but a tiny pension. Harold, who never touches the stuff, takes a stiff drink with his new pal... and another, and another. What happened Wednesday?
Is The Sin of Harold Diddlebock on Netflix? Unfortunately the movie The Sin of Harold Diddlebock is not yet available on Netflix.
| Directing | Preston Sturges | Director |
| Writing | Preston Sturges | Screenplay |
| Art | Robert Usher | Art Direction |
| Production | Cliff P. Broughton | Production Manager |
| Sound | Werner R. Heymann | Original Music Composer |
| Production | Howard Hughes | Producer |
| Camera | Robert Pittack | Director of Photography |
| Art | Victor A. Gangelin | Set Decoration |
| Directing | Barton Adams | Assistant Director |
| Editing | Thomas Neff | Editor |
| Editing | Stuart Gilmore | Editor |
| Production | Preston Sturges | Producer |
| Costume & Make-Up | Elaine Ramsey | Hairstylist |
