'Today (July 10) is Jerry Nelson's birthday! To celebrate, artist Zach Kenny has taken an incredible audio tape from 1999 of over three dozen Muppets wishing him a happy birthday, and created an animatic so we can all see it too!' - ToughPigs on Twitter
Dave Goelz
as Zoot (voice) / Boober (voice) / Gonzo (voice) / others (voice)
Louise Gold
as Annie Sue (voice)
Karen Prell
as Red (voice) / Great Grandmother Bunny (voice)
Frank Oz
as Grover (voice) / Cookie Monster (voice) / others (voice)
Fran Brill
as Prairie Dawn (voice) / Zoe (voice)
Martin P. Robinson
as Telly Monster (voice)
Caroll Spinney
as Big Bird (voice) / Oscar the Grouch (voice)
Steve Whitmire
as Ernie (voice) / Kermit (voice) / Rizzo (voice) / others (voice)
Kathryn Mullen
as Mokey (voice)
Pam Arciero
as Grundgetta (voice)
Kevin Clash
as Elmo (voice) / Clifford (voice)
David Rudman
as Baby Bear (voice)
