Pharrell Williams as Pharrell Williams (voice)

Chad Hugo as Chad Hugo (voice)

Gwen Stefani as Gwen Stefani (voice)

Kendrick Lamar as Kendrick Lamar (voice)

Timbaland as Timbaland (voice)

Justin Timberlake as Justin Timberlake (voice)

Busta Rhymes as Busta Rhymes (voice)

Jay-Z as Jay-Z (voice)

Snoop Dogg as Snoop Dogg (voice)

Morgan Neville as Morgan Neville (voice)

Pusha T as Pusha T (voice)

N.O.R.E. as N.O.R.E (voice)

Shay Haley as Shay Haley (voice)

Oprah Winfrey as Oprah Winfrey (voice - archival footage)

Missy Elliott as Missy Elliott (Voice)

Helen Lasichanh as Helen Lasichanh (voice)

Jimmy Iovine as Jimmy Iovine (voice)

Rob Walker as Rob Walker (voice)

Teddy Riley as Teddy Riley (voice)

Mimi Valdés as Mimi Valdés (voice)

Tyler, The Creator as Teacher (voice)

Carolyn Williams as Carolyn Williams (voice)

Pharoah Williams as Pharoah Williams (voice)

Rocket Williams as Rocket Williams (voice)

Carl Sagan as Carl Sagan (archival audio)