Ricky Gervais

as Dominic Badguy

Ty Burrell

as Jean Pierre Napoleon

Tina Fey

as Nadya

Steve Whitmire

as Kermit the Frog / Foo-Foo / Statler / Beaker / Lips / Rizzo the Rat / Link Hogthrob / The Newsman (voice)

Eric Jacobson

as Miss Piggy / Fozzie Bear / Animal / Sam Eagle (voice)

Dave Goelz

as The Great Gonzo, Dr. Bunsen Honeydew, Zoot, Beauregard, Waldorf

Bill Barretta

as 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)