ครั้งหนึ่ง...ซึ่งคิดถึงตลอดไป

최원영 as Nora's Dad 장기하 as Hae Sung's Friend 1 Jack Alberts as CBP Officer Federico Rodriguez as Robert Oge Agulué as Ferry Line Security Guard Isaac Powell as Guy (voice) John Magaro as Arthur 문승아 as Young Nora 임승민 as Young Hae Sung 안민영 as Hae Sung's Mom Jane Yubin Kim as Actress 황승언 as Hae Sung's Girlfriend Emily Cass McDonnell as Rachel Greta Lee as Nora 유태오 as Hae Sung 윤지혜 as Nora's Mom Seo Yeon-woo as Young Si Young 신희철 as Hae Sung's Friend 2 Conrad Schott as Peter Kristen Sieh as Heather 박준혁 as Hae Sung's Friend 3 Jojo T. Gibbs as Janice Chase Sui Wonders as Girl (voice)

Cherelle Cargill ADR Voice Casting Daniel Rossen Original Music Composer Keith Fraase Editor Nitasha Bhambree Stunt Coordinator Yeonu Choi Co-Executive Producer 이미경 Executive Producer Zac Gobetz Finishing Producer Jon Pack Still Photographer Christine Vachon Producer Bo Burnham Thanks Elizabeth Hay Casting Assistant Christopher Bear Original Music Composer David Hinojosa Producer Grace Yun Production Design Kelsey Sasportas Wardrobe Supervisor Celine Song Executive Producer, Director, Writer Declan Mulvey Stunt Coordinator Ellen Chenoweth Casting สตีเว่น ยอน Thanks Christine D'Souza Gelb Executive Producer Taylor Shung Executive Producer Pamela Koffler Producer