Lyla and Louis, a singer and a musician, fall in love, but are soon compelled to separate. Lyla is forced to give up her newborn but unknown to her, he grows up to become a musical genius.
August Rush
Freddie Highmore
Lyla Novacek
Keri Russell
Louis Connelly
Jonathan Rhys Meyers
Richard Jeffries
Terrence Howard
Maxwell "Wizard" Wallace
Robin Williams
Thomas Novacek
William Sadler
The Dean
Marian Seldes
Reverend James
Mykelti Williamson
Arthur
Leon G. Thomas III
Nick
Aaron Staton
Marshall
Alex O'Loughlin
Hope
Jamia Simone Nash
Professor
Ronald Guttman
Lizzy
Bonnie McKee
Mannix
Michael Drayer
Steve
Jamie O'Keeffe
Jennifer
Becki Newton
Peter
Tyler McGuckin
Megan
Megan Gallagher
Backbeat
Anais Martinez
Roller Bull
Bilal Bishop
Feedback
Michael R. Hammonds II
Joey
Timmy Mitchum
Bill
Henry Caplan
Club Manager
John Knox
Receptionist
Amy V. Dewhurst
Cop
Victor Verhaeghe
Old Neighbor
Darrie Lawrence
Frank
Sean Haberle
Driver
Jamal Joseph
Record Executive
Robert Aberdeen
Apartment Owner
Georgia Creighton
Orphanage Kid
Joshua Jaymz Doss
Orphanage Boy
Craig Johnson
Policeman
Dominic Colón
Child Guitar Player
Zach Page
Gospel Soloist
Charles Mack
Gospel Singer
Amma Agyapon
Gospel Singer
Adia Beckford
Gospel Singer
Dietrice A. Bolden
Gospel Singer
Dina Gardener
Gospel Singer
Luther Isler
Gospel Singer
Raymond Johnson
Gospel Singer
Joyce Walker Joseph
Gospel Singer
Willana Mack
Gospel Singer
Lamar Antwon Robinson
Gospel Singer
Talif Showers
Gospel Singer
Carlton Taylor
Street Sound Circle
Yvette Bodrick
Street Sound Circle
Crystal A. Elliott
Street Sound Circle
Jindai Joseph
Street Sound Circle
Jacquelen Singleton
Street Sound Circle
Travis Veada
Street Sound Circle
Jasmine Pauline Wigfall
Violinist (uncredited)
John Farrer
Alcoholic (uncredited)
Paul Thornton