Fantasia Barrino as Fantasia Barrino

Viola Davis as Diane Barrino

Loretta Devine as Addie Collins

Ashley LeConte Campbell as Ms. Windsor

Kadeem Hardison as Joseph Barrino

Chico Benymon as Rodney Birks

Jamia Simone Nash as Young Fantasia

JoNell Kennedy as Barbara

Cedric Pendleton as Johnny Lee

Julius Tennon as Mr. Emanuel

Thomas Tah Hyde III as Rico Barrino

Paula Abdul as Self

Debbie Allen as American Idol Auditionee in Sunglasses

Diana DeGarmo as Self

Simon Cowell as Self

Brandi Coleman as Valerie

Deanna Dawn as Ruby

Terrance Thomas as Young Tiny

Paul Amadi as Young Rico

Norman Nixon, Jr. as Dwayne

Rhianna Mack as Dot

Dewey Allen as American Idol Auditionee

India Scandrick as Teasing Girl