 Rivers CuomoHimself | Himself |
| PPatrick WilsonHimself | Himself |
 Brian BellHimself | Himself |
| MMatt SharpHimself / Party Goer in "Undone" (voice) | Himself / Party Goer in "Undone" (voice) |
| MMikey WelshHimself | Himself |
 Scott ShrinerHimself | Himself |
| KKarl KochHimself / Party Goer in "Undone" (voice) | Himself / Party Goer in "Undone" (voice) |
| MMykel AllenHerself / Party Goer in "Undone" (voice) | Herself / Party Goer in "Undone" (voice) |
 Al MolinaroAl Delvecchio ("Buddy Holly") | Al Delvecchio ("Buddy Holly") |
| CCasey StormFonzie Dance Double ("Buddy Holly") | Fonzie Dance Double ("Buddy Holly") |
 Henry WinklerFonzie ("Buddy Holly") (archive footage) | Fonzie ("Buddy Holly") (archive footage) |
 Tom BosleyHoward Cunningham ("Buddy Holly") (voice) (archive footage) | Howard Cunningham ("Buddy Holly") (voice) (archive footage) |
 Ron HowardRichie Cunningham ("Buddy Holly") (archive footage) | Richie Cunningham ("Buddy Holly") (archive footage) |
 Anson WilliamsPotsie ("Buddy Holly") (archive footage) | Potsie ("Buddy Holly") (archive footage) |
 Marion RossMarion Cunningham ("Buddy Holly") (archive footage) | Marion Cunningham ("Buddy Holly") (archive footage) |
 Mary Lynn RajskubPizza Delivery Girl ("The Good Life") | Pizza Delivery Girl ("The Good Life") |
| TTony GraciaGroom ("Island in The Sun") | Groom ("Island in The Sun") |
 Steve WhitmireKermit the Frog / Statler ("Keep Fishin") | Kermit the Frog / Statler ("Keep Fishin") |
 Eric JacobsonAnimal / Fozzie Bear / Miss Piggy ("Keep Fishin") | Animal / Fozzie Bear / Miss Piggy ("Keep Fishin") |
 Dave GoelzGonzo / Waldorf ("Keep Fishin") | Gonzo / Waldorf ("Keep Fishin") |
 Bill BarrettaPepe the King Prawn / The Swedish Chef ("Keep Fishin") | Pepe the King Prawn / The Swedish Chef ("Keep Fishin") |
