On screen
Cast
92 credited performers
Jim Shearer
Self - Host
Aamer Haleem
Self - Host
Rachel Perry
Self - Host
Alison Becker
Self - Host
Bradford How
Self - Host
Abby Gennet
Self - Host
Matt Pinfield
Self - Host
Shannon Coffey
Self - Host
David Cook
Character not listed
Amy Lee
Self (archive footage)
Katy Perry
Character not listed
Mat Kearney
Character not listed
Regina Spektor
Character not listed
Shakira
Character not listed
Katharine McPhee
Character not listed
Jordin Sparks
Character not listed
Tyson Ritter
Self
Uncle Kracker
Character not listed
John Cena
Character not listed
David Archuleta
Character not listed
Josh Duhamel
Character not listed
Ciara
Character not listed
R.L. Stine
Character not listed
Joss Stone
Character not listed
John Legend
Character not listed
Kelly Clarkson
Character not listed
Snoop Dogg
Character not listed
Pharrell Williams
Self
James Blunt
Self
Nick Wheeler
Self
Beyoncé
Self
Mike Kennerty
Self (archive footage)
Chris Gaylor
Self (archive footage)
Big Boi
Self (archive footage)
André 3000
Self (archive footage)
Gary Lightbody
Self (archive footage)
Nathan Larkin-Connolly
Self (archive footage)
Tom Simpson
Self (archive footage)
Paul Wilson
Self (archive footage)
Jonny Quinn
Self (archive footage)
Cee Lo Green
Self (archive footage)
Danger Mouse
Self (archive footage)
Justin Furstenfeld
Self (archive footage)
C. B. Hudson
Self (archive footage)
Ryan Delahoussaye
Self (archive footage)
Matt Noveskey
Self (archive footage)
Damian Kulash
Self (archive footage)
Tim Nordwind
Self (archive footage)
Dan Konopka
Self (archive footage)
Andy Ross
Self (archive footage)
Jessica Simpson
Self (archive footage)
Isaac Slade
Self (archive footage)
Dave Welsh
Self (archive footage)
Joe King
Self (archive footage)
Ben Wysocki
Self (archive footage)
Austin John Winkler
Self (archive footage)
Joe Garvey
Self (archive footage)
Mark King
Self (archive footage)
Cody Hanson
Self (archive footage)
Nelly Furtado
Self (archive footage)
Timbaland
Self (archive footage)
Nick Lachey
Self (archive footage)
Anthony Kiedis
Self (archive footage)
John Frusciante
Self (archive footage)
Flea
Self (archive footage)
Chad Smith
Self (archive footage)
Fergie
Self (archive footage)
Justin Timberlake
Self (archive footage)
Brendon Urie
Self (archive footage)
Ryan Ross
Self (archive footage)
Brent Wilson
Self (archive footage)
Spencer Smith
Self (archive footage)
William Boyd
Self (archive footage)
Rocky Gray
Self (archive footage)
John LeCompt
Self (archive footage)
Terry Balsamo
Self (archive footage)
Carmit Bachar
Self (archive footage)
Nicole Scherzinger
Self (archive footage)
Ashley Roberts
Self (archive footage)
Kimberly Wyatt
Self (archive footage)
Jessica Sutta
Self (archive footage)
Melody Thornton
Self (archive footage)
Christina Aguilera
Self (archive footage)
Chad Kroeger
Self (archive footage)
Ryan Peake
Self (archive footage)
Mike Kroeger
Self (archive footage)
Daniel Adair
Self (archive footage)
Brooke Hogan
Self (archive footage)
Paul Wall
Self (archive footage)
Emily Strayer
Self (archive footage)
Natalie Maines
Self (archive footage)
Martie Maguire
Self (archive footage)