Jamie Foxx as Curtis Taylor Jr.

Beyoncé as Deena Jones

Eddie Murphy as James "Thunder" Early

Danny Glover as Marty Madison

Jennifer Hudson as Effie White

Anika Noni Rose as Lorrell Robinson

Keith D. Robinson as C.C. White

Sharon Leal as Michelle Morris

Hinton Battle as Wayne

Mariah Iman Wilson as Magic

Yvette Cason as May

Ken Page as Max Washington

Ralph Louis Harris as M.C.

Michael-Leon Wooley as Tiny Joe Dixon

Loretta Devine as Jazz Singer

John Lithgow as Jerry Harris

John Krasinski as Sam Walsh

Alexander Folk as Ronald White

Esther Scott as Aunt Ethel

Bobby Slayton as Miami Comic

Jordan Wright as Teddy Campbell

Dawnn Lewis as Melba Early

Jaleel White as Talent Booker

JoNell Kennedy as Joann

Sybyl Walker as Charlene

Lesley Nicole Lewis as Stepp Sister

Eboni Nichols as Stepp Sister

Arike Rice as Stepp Sister

Fatima Robinson as Stepp Sister

Aakomon Jones as Little Albert

Bernard Fowler as Tru-Tone

Anwar Burton as Tru-Tone

Tyrell Washington as Tru-Tone

Rory O'Malley as Dave

Laura Bell Bundy as Sweetheart

Anne Elizabeth Warren as Sweetheart

Ivar Brogger as David Bennett

Daren A. Herbert as Jimmy's Piano Player

Jocko Sims as Elvis Kelly

Pam Trotter as Rhonda

Cleo King as Janice

Eddie Mekka as Club Manager

Alejandro Furth as Case Worker

Dilva Henry as TV Reporter

Vince Grant as American Bandstand Producer

Robert Cicchini as Nicky Cassaro

Thomas Crawford as TV Director

Charles Jones as Carl

Robert Curtis Brown as Technical Director

Stephanie Owens as Tania Williams

Gilbert Glenn Brown as Man with Gun

Marty Ryan as Stagehand

Michael Villani as Detroit Reporter

Gregg Berger as Chicago Deejay

Daniel Riordan as L.A. Deejay

David James as Photographer

Paul Kirby as Promo Film Narrator (voice)

Derick Alexander as Security Guard

Yvette Nicole Brown as Curtis' Secretary

Nancy Anderson as Go-Go Dancer

Joelle Cosentino as Go-Go Dancer

Lisa Eaton as Go-Go Dancer

Clare Kutsko as Go-Go Dancer

Tracy Phillips as Go-Go Dancer

Kelleia Sheerin as Go-Go Dancer

Mykel Brooks as Campbell Connection Dancer

Johnny Erasme as Campbell Connection Dancer

Cory Graves as Campbell Connection Dancer

J.R. Taylor as Campbell Connection Dancer

Corinthea Henderson as Bad Side Dancer

Craig Hollamon as Bad Side Dancer

Reginald Jackson as Bad Side Dancer

Chuck Maldonado as Bad Side Dancer

Anthony Rue II as Bad Side Dancer

John Silver as Bad Side Dancer

Larry Sims as Bad Side Dancer

Black Thomas as Bad Side Dancer

Kevin Wilson as Bad Side Dancer

Adrian Wiltshire as Bad Side Dancer

Earl Wright as Bad Side Dancer

Russell "Goofy" Wright as Bad Side Dancer

Dominic Chaiduang as Disco Dancer

Jose Cueva as Disco Dancer

Omhmar Griffin as Disco Dancer

Sky Hoffmann as Disco Dancer

Trevor Lopez-Daggett as Disco Dancer

Leo Moctezuma as Disco Dancer

Gabriel Paige as Disco Dancer

Terrance Spencer as Disco Dancer

Tony Testa as Disco Dancer

Quinton Weathers as Disco Dancer

Jull Weber as Disco Dancer

Marcel Wilson as Disco Dancer

Stevie Ray Anthony as Jimmy's Band

Matthew Dickens as Jimmy's Band

Jerohn Garnett as Jimmy's Band

Mario Mosley as Jimmy's Band

Jimmy R.O. Smith as Jimmy's Band

Tank as Choir Singer