Dave Goelz
(The Great Gonzo / Dr. Bunsen Honeydew / Zoot / Waldorf / Beauregard / Chip / Himself (voice))
Bill Barretta
(Pepe the King Prawn / Rowlf the Dog / The Swedish Chef / Dr. Teeth / Bobo the Bear / Mahna Mahna / Big Mean Carl / Himself (voice))
Eric Jacobson
(Miss Piggy / Fozzie Bear / Animal / Sam Eagle / Newsman / Himself (voice))
Matt Vogel
(Kermit the Frog / Uncle Deadly / Sgt. Floyd Pepper / Lew Zealand / Camilla / Dr. Julius Strangepork / Sweetums / Himself (voice))
David Rudman
(Scooter / Janice / Beaker / Himself (voice))
Peter Linz
(Walter / Robin / Statler / Link Hogthrob / Lips / Snowth / Himself (voice))
David Alan Barclay
(Additional Muppet Performer (voice))
Julianne Buescher
(Additional Muppet Performer (voice))
Tim Blaney
(Additional Muppet Performer (voice))
Tyler Bunch
(Additional Muppet Performer (voice))
Kevin Carlson
(Additional Muppet Performer (voice))
Ryan Dillon
(Additional Muppet Performer (voice))
Tim Lagasse
(Additional Muppet Performer (voice))
Bruce Lanoil
(Additional Muppet Performer (voice))
Noel MacNeal
(Additional Muppet Performer (voice))
Drew Massey
(Additional Muppet Performer (voice))
James Murray
(Additional Muppet Performer (voice))
Paul McGinnis
(Additional Muppet Performer (voice))
Michael Oosterom
(Additional Muppet Performer (voice))
Carmen Osbahr
(Additional Muppet Performer (voice))
Karen Prell
(Additional Muppet Performer (voice))
Mike Quinn
(Additional Muppet Performer (voice))
Michelan Sisti
(Additional Muppet Performer (voice))
Allan Trautman
(Additional Muppet Performer (voice))
John E. Kennedy
(Additional Muppet Performer (voice))
Bobby Moynihan
(Self)
Kylie Minogue
(Self)
Kevin Bishop
(Self)
David Tennant
(Self)
Adam Hills
(Self)
Peter Davison
(Self)
Anthony Stewart Head
(Self)
Charles Dance
(Self)
Lee Latchford-Evans
(Self)
Claire Richards
(Self)
Lisa Scott-Lee
(Self)
Ian 'H' Watkins
(Self)
Faye Tozer
(Self)