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