Pharrell Williams (voice)
Chad Hugo (voice)
Gwen Stefani (voice)
Kendrick Lamar (voice)
Timbaland (voice)
Justin Timberlake (voice)
Busta Rhymes (voice)
Jay-Z (voice)
Snoop Dogg (voice)
Morgan Neville (voice)
Pusha T (voice)
N.O.R.E (voice)
Shay Haley (voice)
Oprah Winfrey (voice - archival footage)
Missy Elliott (Voice)
Helen Lasichanh (voice)
Jimmy Iovine (voice)
Rob Walker (voice)
Teddy Riley (voice)
Mimi Valdés (voice)
Teacher (voice)
Carolyn Williams (voice)
Pharoah Williams (voice)
Rocket Williams (voice)
Carl Sagan (archival audio)