(in credits order) verified as complete
- Britt Chandler Johnson(as Britt Johnson)
- Brad Abrell(voice)
- Tim Blaney(voice)
Rest of cast listed alphabetically
- Karin Agstam(uncredited)
- Todd Anthony(uncredited)
- Will Arnett(uncredited)
- Jennifer Bartels(uncredited)
- Victoria Beltran(uncredited)
- Brett Berg(uncredited)
- Justin Bieber(uncredited)
- Dan Bittner(uncredited)
- Tim Burton(uncredited)
- Geoffrey Cantor(uncredited)
- Christopher Chwee(uncredited)
- Stephen Cofield Jr.(uncredited)
- David Cohen(uncredited)
- Michael Connolly(uncredited)
- Kevin Covais(uncredited)
- Angela Dee(voice) (uncredited)
- Juming Delmas(uncredited)
- Joseph Dimartino(uncredited)
- Robert Farrior(uncredited)
- Lady Gaga(uncredited)
- Bill Gates(archive footage) (uncredited)
- Adrian Gorbaliuk(uncredited)
- Amanda Greer(uncredited)
- Sarah Grgic(uncredited)
- Josh Grisetti(uncredited)
- Jessica Hammond(uncredited)
- Kaitlyn Hardy(uncredited)
- Allen Holloway(uncredited)
- Mike Holt(uncredited)
- Jacqueline Honulik(uncredited)
- Mela Hudson(uncredited)
- Michael Jeremiah(uncredited)
- Jeff Joslin(uncredited)
- Samantha Kelly(uncredited)
- Josh LaCount(uncredited)
- Addison LeMay(uncredited)
- Jian Leonardo(uncredited)
- Chuck Lines(uncredited)
- Jerry Lobrow(uncredited)
- Marti Matulis(uncredited)
- Josh McBride(uncredited)
- Alpheus Merchant(uncredited)
- Dushawn Moses(uncredited)
- Karla Mosley(uncredited)
- Judy Murdock(uncredited)
- Shelly Nagell(uncredited)
- Nancy Nagrant(uncredited)
- Erin Neufer(uncredited)
- Marcos Mateo Ochoa(uncredited)
- Nancy Ozelli(uncredited)
- Mark J. Parker(uncredited)
- Jada Pinkett Smith(uncredited)
- Mike Pyle(uncredited)
- Veronika Ann Rees(uncredited)
- Darwin Reina(uncredited)
- Tom Rhoads(uncredited)
- Jesse Ridgway(uncredited)
- Tony Shalhoub(uncredited)
- Mustafa Speaks(uncredited)
- Howard Stern(uncredited)
- Jamaal Stone(uncredited)
- Jay Storey(uncredited)
- Tia Swarbrick(uncredited)
- Wesley Tunison(uncredited)
- Eha Urbsalu(uncredited)
- Stella Velon(uncredited)
- Bo Welch(uncredited)
- Steve Witting(uncredited)
- Alex Ziwak(uncredited)
