Pharrell Williams

Pharrell Williams (voice)

Gwen Stefani

Gwen Stefani (voice)

Kendrick Lamar

Kendrick Lamar (voice)

Justin Timberlake

Justin Timberlake (voice)

Busta Rhymes

Busta Rhymes (voice)

Jay-Z

Jay-Z (voice)

Snoop Dogg

Snoop Dogg (voice)

Morgan Neville

Morgan Neville (voice)

Pusha T

Pusha T (voice)

N.O.R.E.

N.O.R.E (voice)

Oprah Winfrey

Oprah Winfrey (voice - archival footage)

Missy Elliott

Missy Elliott (Voice)

Jimmy Iovine

Jimmy Iovine (voice)

Tyler, The Creator

Teacher (voice)

Carl Sagan

Carl Sagan (archival audio)