Keri Russell Lyla Novacek
Robin Williams Maxwell "Wizard" Wallace
Jonathan Rhys Meyers Louis Connelly
Freddie Highmore August Rush
William Sadler Thomas Novacek
Terrence Howard Richard Jeffries
Mykelti Williamson Reverend James
Alex O'Loughlin Marshall
John Cenatiempo Stunts
Marian Seldes The Dean
Becki Newton Jennifer
Leon G. Thomas III Arthur
Aaron Staton Nick
Robert Greenhut Executive Producer, Unit Production Manager
Jamia Simone Nash Hope
Nick Castle Screenplay, Story
Jamal Joseph Driver
Cathy Sandrich Gelfond Casting
John Mathieson Director of Photography
Mark Mancina Original Music Composer
Carol Silverman Set Decoration
Miky Lee Executive Producer
Zach Page Child Guitar Player
Dominic Colón Policeman
Lionel Wigram Executive Producer
Sean Haberle Frank
Paul Castro Story
Robert Aberdeen Record Executive
Timmy Mitchum Joey
Paul Thornton Alcoholic (uncredited)
James V. Hart Screenplay
Blaise Corrigan Stunt Coordinator
John Knox Club Manager
Michael Drayer Mannix
William Steinkamp Editor
Amanda Mackey Casting
Tyler McGuckin Peter
Ralph Kamp Executive Producer
Victor Verhaeghe Cop
Richard Barton Lewis Producer
Kate Bulpitt Casting Associate
Kirsten Sheridan Director
Jessica Lichtner Script Supervisor
Michael Shaw Production Design
Mario Ventenilla Art Direction
Bonnie McKee Lizzy
John Farrer Violinist (uncredited)
Frank L. Fleming Costume Design
Garson Yu Title Designer
Ronald Guttman Professor
Nicholas Bernstein Location Manager
Bonnie Hlinomaz Production Supervisor
Felice Diamond Makeup Artist
Cesar Quinones Location Scout
Gabrielle Jerou-Tabak Associate Producer
Amy V. Dewhurst Receptionist
Farrah Fox-Collis Casting Associate
Richard F. Esposito Hairstylist
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
Adia Beckford Gospel Singer
Travis Veada Street Sound Circle
Bilal Bishop Roller Bull
Talif Showers Gospel Singer
Amma Agyapon Gospel Singer