Rivers Cuomo
Himself
Patrick Wilson
Himself
Brian Bell
Himself
Matt Sharp
Himself / Party Goer in "Undone" (voice)
Scott Shriner
Himself
Al Molinaro
Al Delvecchio ("Buddy Holly")
Henry Winkler
Fonzie ("Buddy Holly") (archive footage)
Tom Bosley
Howard Cunningham ("Buddy Holly") (voice) (archive footage)
Ron Howard
Richie Cunningham ("Buddy Holly") (archive footage)
Anson Williams
Potsie ("Buddy Holly") (archive footage)
Marion Ross
Marion Cunningham ("Buddy Holly") (archive footage)
Mary Lynn Rajskub
Pizza Delivery Girl ("The Good Life")
Steve Whitmire
Kermit the Frog / Statler ("Keep Fishin")
Eric Jacobson
Animal / Fozzie Bear / Miss Piggy ("Keep Fishin")
Dave Goelz
Gonzo / Waldorf ("Keep Fishin")
Bill Barretta
Pepe the King Prawn / The Swedish Chef ("Keep Fishin")
Mikey Welsh
Himself
Karl Koch
Himself / Party Goer in "Undone" (voice)
Mykel Allen
Herself / Party Goer in "Undone" (voice)
Casey Storm
Fonzie Dance Double ("Buddy Holly")
Tony Gracia
Groom ("Island in The Sun")
