Tom, greeting-card writer and hopeless romantic, is caught completely off-guard when his girlfriend, Summer, suddenly dumps him. He reflects on their 500 days together to try to figure out where their love affair went sour, and in doing so, Tom rediscovers his true passions in life.
| Sound | Mychael Danna | Original Music Composer |
| Costume & Make-Up | Hope Hanafin | Costume Design |
| Production | Steven J. Wolfe | Producer |
| Production | Mason Novick | Producer |
| Camera | Eric Steelberg | Director of Photography |
| Production | Eyde Belasco | Casting |
| Production | Mark Waters | Producer |
| Editing | Alan Edward Bell | Editor |
| Crew | John Koyama | Stunt Coordinator |
| Writing | Scott Neustadter | Screenplay |
| Writing | Michael H. Weber | Screenplay |
| Directing | Marc Webb | Director |
| Sound | Gary Gegan | Sound Re-Recording Mixer |
| Sound | Andrea von Foerster | Music Supervisor |
| Production | Jessica Tuchinsky | Producer |
| Sound | Rob Simonsen | Original Music Composer |
| Production | Jenny Hinkey | Unit Production Manager |
| Production | Veronica Brooks | Associate Producer |
| Production | Scott Hyman | Co-Producer |
| Art | Laura Fox | Production Design |
| Art | Charles Varga | Art Direction |
| Sound | Matthew Iadarola | Sound Re-Recording Mixer |
| Directing | Renetta G. Amador | Script Supervisor |
| Sound | Piero Mura | Sound Designer |
| Sound | Piero Mura | Supervising Sound Editor |
| Camera | Chuck Zlotnick | Still Photographer |
| Camera | Matthew Moriarty | Camera Operator |
| Camera | Matthew Moriarty | Steadicam Operator |
| Sound | Jen Monnar | Music Editor |
| Art | Jennifer Lukehart | Set Decoration |
| Crew | Al Goto | Stunt Coordinator |
| Camera | Tony Friedkin | Still Photographer |
| Sound | Lori Dovi | Sound mixer |
| Editing | Jennifer Vecchiarello | Assistant Editor |
| Costume & Make-Up | Marcy Lavender | Costume Supervisor |
| Crew | Grady Allen Bishop | Driver |
| Camera | Grady Allen Bishop | Camera Car |
