A vacuum repairman moonlights as a street musician and hopes for his big break. One day a Czech immigrant, who earns a living selling flowers, approaches him with the news that she is also an aspiring singer-songwriter. The pair decide to collaborate, and the songs that they compose reflect the story of their blossoming love.
You can now watch Once online on the following streaming providers in the United States.
| Directing | John Carney | Director |
| Sound | Glen Hansard | Original Music Composer |
| Production | David Collins | Executive Producer |
| Production | Maureen Hughes | Casting |
| Costume & Make-Up | Tiziana Corvisieri | Costume Design |
| Writing | John Carney | Screenplay |
| Production | Martina Niland | Producer |
| Editing | Paul Mullen | Editor |
| Sound | Markéta Irglová | Original Music Composer |
| Sound | Robert Flanagan | Sound mixer |
| Camera | Tim Fleming | Director of Photography |
| Art | Tamara Conboy | Production Design |
| Art | Riad Karim | Art Direction |
| Sound | Michelle Fingleton | Sound Editor |
| Sound | Glen Hansard | Songs |
| Sound | Markéta Irglová | Songs |
