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.
Is Once on Netflix? Unfortunately the movie Once is not yet available on Netflix.
| Writing | John Carney | Screenplay |
| Production | Martina Niland | Producer |
| Production | David Collins | Executive Producer |
| Camera | Tim Fleming | Director of Photography |
| Editing | Paul Mullen | Editor |
| Costume & Make-Up | Tiziana Corvisieri | Costume Design |
| Sound | Glen Hansard | Original Music Composer |
| Directing | John Carney | Director |
| Sound | Markéta Irglová | Original Music Composer |
| Sound | Robert Flanagan | Sound mixer |
| Art | Tamara Conboy | Production Design |
| Sound | Glen Hansard | Songs |
| Sound | Markéta Irglová | Songs |
| Art | Riad Karim | Art Direction |
| Sound | Michelle Fingleton | Sound Editor |
| Production | Maureen Hughes | Casting Director |
| Production | Yvonne Burke | Production Coordinator |
| Production | Con Cremins | Production Accountant |
| Production | Holly Carey | Production Executive |
| Production | Steven Davenport | Location Manager |
| Production | Evelyn O’Neill | Assistant Location Manager |
| Art | Anthony Nugent | Standby Property Master |
| Directing | John Burns | First Assistant Director |
| Directing | John O'Donoghue | Second Assistant Director |
| Camera | John Carney | Camera Operator |
| Camera | Tim Fleming | Camera Operator |
| Camera | Ron Coe | Camera Operator |
| Camera | Tanya Doyle | Assistant Camera |
| Sound | Paul Naughton | Boom Operator |
| Directing | Peggy Brazil | Script Supervisor |
| Costume & Make-Up | Una Towell | Wardrobe Supervisor |
| Costume & Make-Up | Barbara Conway | Key Makeup Artist |
| Costume & Make-Up | Conor McAllister | Key Hair Stylist |
| Camera | David Cleary | Still Photographer |
| Crew | Jim Duggan | Post Production Supervisor |
| Sound | David Donohue | Music Consultant |
| Sound | Niall Brady | Supervising Sound Editor |
