After World War I, Armistice Lloyd Hart goes back to practice law, former saloon keeper George Hally turns to bootlegging, and out-of-work Eddie Bartlett becomes a cab driver. Eddie builds a fleet of cabs through delivery of bootleg liquor and hires Lloyd as his lawyer. George becomes Eddie's partner and the rackets flourish until love and rivalry interfere.
Is The Roaring Twenties on Netflix? Unfortunately the movie The Roaring Twenties is not yet available on Netflix.
| Writing | Mark Hellinger | Story |
| Production | Hal B. Wallis | Producer |
| Production | Samuel Bischoff | Producer |
| Camera | Ernest Haller | Director of Photography |
| Sound | Ray Heindorf | Original Music Composer |
| Directing | Raoul Walsh | Director |
| Writing | Robert Rossen | Screenplay |
| Writing | Jerry Wald | Screenplay |
| Writing | Richard Macaulay | Screenplay |
| Sound | Heinz Roemheld | Original Music Composer |
| Editing | Jack Killifer | Editor |
| Art | Max Parker | Art Direction |
| Costume & Make-Up | Perc Westmore | Makeup Artist |
| Costume & Make-Up | Milo Anderson | Costume Design |