| 角色 | 饰演者 | 角色介绍 |
| Louis Connelly | 乔纳森·莱斯·梅耶斯 | |
| Lyla Novacek | 凯丽·拉塞尔 | |
| August Rush | 弗莱迪·海默 | |
| Wizard | 罗宾·威廉斯 | |
| Thomas | 威廉姆·赛德勒 | |
| Richard Jeffries | 泰伦斯·霍华德 | |
| Hope | Jamia Simone Nash | |
| Nick | 亚伦·斯塔东 | |
| Businessman | Robert Aberdeen | |
| Bill | Henry Caplan | |
| Peter | Tyler McGuckin | |
| Arthur | 莱昂·托马斯三世 | |
| Marshall | 艾历克斯·奥洛林 | |
| Steve | Jamie O'Keefe | |
| Policeman | Dominic Colon | |
| Mannix | Michael Drayer | |
| Backbeat | Anais Martinez | |
| Lizzy | 邦妮·麦基 | |
| Jenny | 贝基·纽顿 | |
| Blues boy on guitar | Zach Page | |
| The Dean | Marian Seldes | |
| Reverend James | 麦凯尔泰·威廉逊 | |
| Professor | Ronald Guttman | |
| Roller Bull | Bilal Bishop | |
| Feedback | Michael R. Hammonds II | |
| Joey (as Timothy T. Mitchum) | Timmy Mitchum | |
| Club Manager | John Knox | |
| Receptionist | Amy V. Dewhurst | |
| Cop | Victor Verhaeghe | |
| Old Neighbor | Darrie Lawrence | |
| Frank | Sean Haberle | |
| Driver | Jamal Joseph | |
| Apartment Owner | Georgia Creighton | |
| Orphanage Kid | Joshua Jaymz Doss | |
| Orphanage Boy | Craig Johnson | |
| Megan | Megan Gallagher | |
| Meagan's Mom | Deirdre Lorenz |
