Once
- ឆ្នាំ: 2007
- ប្រទេស: Ireland, United States of America
- ប្រភេទ: Drama, Music, Romance
- ស្ទូឌីយោ: Samson Films, Summit Entertainment, RTÉ, Fís Éireann/Screen Ireland
- ពាក្យគន្លឹះ: rock 'n' roll, lovesickness, love of one's life, composer, pop, music instrument, lovers, dublin, ireland, recording studio, pianist, ireland, music store, street musician, songwriting, recording session, street singer, busking
- នាយក: John Carney
- ខាស: Glen Hansard, Markéta Irglová, Hugh Walsh, Gerard Hendrick, Alaistair Foley, Geoff Minogue