Ricky Gervais
Dominic Badguy
Ty Burrell
Jean Pierre Napoleon
Tina Fey
Nadya
Steve Whitmire
Kermit the Frog / Foo-Foo / Statler / Beaker / Lips / Rizzo the Rat / Link Hogthrob / The Newsman (voice)
Eric Jacobson
Miss Piggy / Fozzie Bear / Animal / Sam Eagle (voice)
Dave Goelz
The Great Gonzo, Dr. Bunsen Honeydew, Zoot, Beauregard, Waldorf
Bill Barretta
Pepe the King Prawn / Rowlf the Dog / Dr. Teeth / The Swedish Chef / Bobo the Bear / Big Mean Carl / Baby Boss / Carlo Flamingo / Leprechaun Security Guard (voice)
David Rudman
Scooter / Janice / Miss Poogy / Bobby Benson / Wayne (voice)
Matt Vogel
Constantine / Floyd Pepper / Sweetums / Pops / Robin / Lew Zealand / Crazy Harry / 80's Robot / Camilla / Uncle Deadly (voice)
Peter Linz
Walter / Manolo Flamingo (voice)