Characters played by Katy Perry
Self
Characters played by Adam Marcello
Self - Band Leader
Drums
Characters played by Casey Hooper
Self - Guitars
Characters played by Patrick Matera
Self - Guitars
Characters played by Max Hart
Self - Keys
Characters played by Joshua Moreau
Self - Bass
Characters played by Lauren Allison Ball
Self - Background Vocals
Characters played by Tasha Layton
Self - Background Vocals
Characters played by Leah Adler
Self - Dancer
Characters played by Lockhart Brownlie
Self - Dancer
Characters played by Anthony Burrell
Self - Dancer
Characters played by Lexie Contursi
Self - Dancer
Characters played by Ashley Ashida Dixon
Self - Dancer
Characters played by Brandee Evans
Self - Dancer
Characters played by Bryan Gaw
Self - Dancer
Characters played by Malik Le Nost
Self - Dancer
Characters played by Rachael Markarian
Self - Dancer
Characters played by Scott Myrick
Self - Dancer
Characters played by Cassidy Noblett
Self - Dancer
Characters played by Bradford Cobb
Self - Manager
Characters played by Johnny Wujek
Self - Stylist
Characters played by Steven Jensen
Self - Manager
Characters played by Todd Delano
Self - Makeup Artist
Characters played by Tamra Natisin
Self - Assistant
Characters played by Angela Hudson
Self - Katy's Sister
Kathy Beth Terry
Characters played by David Daniel Hudson
Self - Katy's Brother
Characters played by Keith Hudson
Self - Katy's Parent
Characters played by Mary Hudson
Self - Katy's Parent
Characters played by Mark 'The Cobra Snake' Hunter
Self - Photographer
Characters played by Shannon Woodward
Self - Best Friend
Actress
Characters played by Mia Moretti
Self - Friend
International DJ
Characters played by Glen Ballard
Self - Record Producer (Alanis Morissette
Michael Jackson)
Characters played by Angelica Cob-Baehler
Self - Former Columbia Publicist
Characters played by Jason Flom
Self - Former CEO: Capitol Records
Characters played by Adele
Self
Characters played by Lady Gaga
Self
Characters played by Jessie J
Self
Characters played by Rihanna
Self
Characters played by Justin Bieber
Self
Characters played by Rebecca Black
Self
Characters played by Russell Brand
Self
Characters played by Alan Carr
Self
Characters played by Lauren Christy
Self
Characters played by Darren Criss
Aaron Christopherson
Characters played by Ellen DeGeneres
Self
Characters played by Graham Edwards
Self
Characters played by Judy Garland
Dorothy
Characters played by Whoopi Goldberg
Self
Characters played by Baz Halpin
Self
Characters played by Erica Hill
Self
Characters played by Ann Hudson
Self
Characters played by Lucas Kerr
Self
Characters played by Heidi Klum
Self
Characters played by Avril Lavigne
Self
Characters played by Bonnie McKee
Self
Characters played by Alanis Morissette
Self
Characters played by Dermot O'Leary
Self
Characters played by Britney Spears
Self
Characters played by Scott Spock
Self
Characters played by Chris Wragge
Self