Beyoncé

Deena Jones

Eddie Murphy

James 'Thunder' Early

Jennifer Hudson

Effie White

Jamie Foxx

Curtis Taylor Jr.

Danny Glover

Marty Madison

Anika Noni Rose

Lorrell Robinson

Keith D. Robinson

C.C. White

Sharon Leal

Michelle Morris

Hinton Battle

Wayne

Mariah Iman Wilson

Magic

Yvette Cason

May

Ken Page

Max Washington

John Krasinski

Sam Walsh

Bobby Slayton

Miami Comic

Ralph Louis Harris

M.C.

Dawnn Lewis

Melba Early

Michael-Leon Wooley

Tiny Joe Dixon

Loretta Devine

Jazz Singer

John Lithgow

Jerry Harris

Alexander Folk

Ronald White

Esther Scott

Aunt Ethel

Jordan Wright

Teddy Campbell

Jaleel White

Talent Booker

JoNell Kennedy

Joann

Fatima Robinson

Stepp Sister

Aakomon Jones

Little Albert

Rory O'Malley

Dave

Laura Bell Bundy

Sweetheart

Ivar Brogger

David Bennett

Daren A. Herbert

Jimmy's Piano Player

Jocko Sims

Elvis Kelly

Pam Trotter

Rhonda

Cleo King

Janice

Eddie Mekka

Club Manager

Alejandro Furth

Case Worker

Vince Grant

American Bandstand Producer

Robert Cicchini

Nicky Cassaro

Thomas Crawford

TV Director

Robert Curtis Brown

Technical Director

Gilbert Glenn Brown

Man with Gun

Marty Ryan

Stagehand

Michael Villani

Detroit Reporter

Gregg Berger

Chicago Deejay

Daniel Riordan

L.A. Deejay

Derick Alexander

Security Guard

Yvette Nicole Brown

Curtis' Secretary

Tracy Phillips

Go-Go Dancer

Kelleia Sheerin

Go-Go Dancer

Black Thomas

Bad Side Dancer

Dominic Chaiduang

Disco Dancer

Leo Moctezuma

Disco Dancer

Jull Weber

Disco Dancer

Jimmy R.O. Smith

Jimmy's Band

Tank

Choir Singer

Kesha

Audience Member (uncredited)