Terrence Howard Richard Jeffries
Freddie Highmore August Rush
Robin Williams Maxwell "Wizard" Wallace
William Sadler Thomas Novacek
Jonathan Rhys Meyers Louis Connelly
Marian Seldes The Dean
Keri Russell Lyla Novacek
Becki Newton Jennifer
Leon G. Thomas III Arthur
Alex O'Loughlin Marshall
Aaron Staton Nick
Robert Greenhut Executive Producer, Unit Production Manager
Mykelti Williamson Reverend James
Jamia Simone Nash Hope
Jamal Joseph Driver
John Cenatiempo Stunts
Carol Silverman Set Decoration
Zach Page Child Guitar Player
Sean Haberle Frank
Michael Shaw Production Design
Paul Castro Story
Robert Aberdeen Record Executive
Timmy Mitchum Joey
Paul Thornton Alcoholic (uncredited)
John Knox Club Manager
William Steinkamp Editor
Tyler McGuckin Peter
Ralph Kamp Executive Producer
Kate Bulpitt Casting Associate
Miky Lee Executive Producer
Kirsten Sheridan Director
Nick Castle Screenplay, Story
Lionel Wigram Executive Producer
James V. Hart Screenplay
Bonnie McKee Lizzy
Michael Drayer Mannix
Ronald Guttman Professor
Dominic Colón Policeman
Cesar Quinones Location Scout
Cathy Sandrich Gelfond Casting
John Mathieson Director of Photography
Mark Mancina Original Music Composer
Richard Barton Lewis Producer
Farrah Fox-Collis Casting Associate
Victor Verhaeghe Cop
Richard F. Esposito Hairstylist
Amanda Mackey Casting
Blaise Corrigan Stunt Coordinator
Craig Johnson Orphanage Boy
Joshua Jaymz Doss Orphanage Kid
Dina Gardener Gospel Singer
Jamie O'Keeffe Steve
Jacquelen Singleton Street Sound Circle
Georgia Creighton Apartment Owner
Yvette Bodrick Street Sound Circle
Raymond Johnson Gospel Singer
Jindai Joseph Street Sound Circle
Jessica Lichtner Script Supervisor
Adia Beckford Gospel Singer
Frank L. Fleming Costume Design
Travis Veada Street Sound Circle
Bilal Bishop Roller Bull
Talif Showers Gospel Singer
Amma Agyapon Gospel Singer
Joyce Walker Joseph Gospel Singer
Dietrice A. Bolden Gospel Singer
Luther Isler Gospel Singer
Carlton Taylor Gospel Singer
Lamar Antwon Robinson Gospel Singer
Charles Mack Gospel Soloist
Anais Martinez Backbeat
Willana Mack Gospel Singer