The heartbreaking but hopeful tale of Danny Kenny and Peggy Nash, two sweethearts who meet and struggle through their impoverished lives in New York City. When Peggy, hoping for something better in life for both of them, breaks off her engagement to Danny, he sets out to be a championship boxer, while she becomes a dancer paired with a sleazy partner. Will tragedy reunite the former lovers?
| Camera | Sol Polito | Director of Photography |
| Writing | John Wexley | Screenplay |
| Directing | Jean Negulesco | Director |
| Sound | Max Steiner | Original Music Composer |
| Production | William Cagney | Producer |
| Production | Anatole Litvak | Producer |
| Directing | Anatole Litvak | Director |
| Production | Hal B. Wallis | Executive Producer |
| Editing | William Holmes | Editor |
| Writing | Aben Kandel | Novel |
| Camera | James Wong Howe | Director of Photography |
| Crew | Harvey Parry | Stunts |
| Crew | Quentin Breese | Stunts |
| Crew | Robert Vreeland | Choreographer |
| Crew | Everett Alton Brown | Sound Recordist |
| Crew | Rex Wimpy | Special Effects |
| Crew | Byron Haskin | Special Effects |
| Art | Robert M. Haas | Art Direction |
| Production | Jack L. Warner | Production Manager |
| Costume & Make-Up | Howard Shoup | Costume Design |
| Costume & Make-Up | Perc Westmore | Makeup Artist |
