• 
  Taylor Swift
• 
  Paul Rust

  Carl Berman
• 
  Mary-Jessica Pitts

  Intervention Daughter
• 
  Robert Smigel

  Triumph the Insult Comic Dog
• 
  Davin Ransom

  Intervention Son

• 
  Jeff Roe

  montaj
• 
  David King

  miscellaneous crew
• 
  Dave King

  miscellaneous crew

• 
  David Montalvo

  music department
• 
  Chris Walden

  music department
• 
  Mark Burnett

  producător
• 
  Tracey Baird

  producător
• 
  A.J. Diantonio

  producător
• 
  Forest Whitaker

  Himself
• 
  Hayden Panettiere

  Herself

• 
  Ben Stiller

  Himself
• 
  Cameron Diaz

  Herself
• 
  Jim Carrey

  Himself
• 
  LeAnn Rimes

  Herself
• 
  Denzel Washington

  Himself
• 
  Anna Faris

  Herself
• 
  Michael Bay

  Himself
• 
  Sandra Bullock

  Herself
• 
  Eminem

  Himself - Performer
• 
  Daniel Radcliffe

  Himself
• 
  Will Ferrell

  Himself
• 
  Ryan Reynolds

  Himself
• 
  Dwayne Johnson

  Himself
• 
  Rupert Grint

  Himself
• 
  Emma Watson

  Herself
• 
  Kristen Stewart

  Herself
• 
  Abigail Breslin

  Herself
• 
  Kiefer Sutherland

  Himself
• 
  Audrina Patridge

  Herself
• 
  Sacha Baron Cohen

  Himself / Brüno
• 
  Brandon Bailey

  Himself
• 
  Lauren Conrad

  Herself
• 
  Whitney Port

  Herself
• 
  Bradley Cooper

  Himself
• 
  Shia LaBeouf

  Himself
• 
  Fred Armisen

  Himself
• 
  Chris Isaak

  Himself
• 
  Danny McBride

  Himself
• 
  Kristen Bell

  Herself
• 
  Cam Gigandet

  Himself
• 
  Justin Bartha

  Himself
• 
  Taraji P. Henson

  Herself
• 
  Leighton Meester

  Herself
• 
  Megan Fox

  Herself
• 
  Dax Shepard

  Himself
• 
  Sofia Vassilieva

  Herself
• 
  Lil' Wayne

  Himself
• 
  Taylor Lautner

  Himself
• 
  Amy Poehler

  Herself
• 
  Chris Pine

  Himself
• 
  Robert Pattinson

  Himself
• 
  Sienna Miller

  Herself
• 
  Keke Palmer

  Herself
• 
  Channing Tatum

  Himself
• 
  Miranda Cosgrove

  Herself
• 
  Andy Samberg

  Himself - Host
• 
  Jonah Hill

  Himself
• 
  Miley Cyrus

  Herself
• 
  Zac Efron

  Himself
• 
  Thomas Lennon

  Himself
• 
  Vanessa Hudgens

  Herself
• 
  Ed Helms

  Himself
• 
  Tim Soergel

  cascador