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