Lady Gaga

Self

Elton John

Self

Joseph Gordon-Levitt

Self

Kristen Bell

Self

RuPaul

Self

Steve Whitmire

Kermit the Frog / Beaker / Rizzo the Rat / Statler / Lips (voice)

Eric Jacobson

Miss Piggy, Fozzie Bear, Animal, Sam the Eagle (voice)

Dave Goelz

The Great Gonzo, Dr. Bunsen Honeydew, Waldorf, Zoot (voice)

Bill Barretta

Pepe, The Swedish Chef, Rowlf, Dr. Teeth, Bobo, Big Mean Carl

David Rudman

Scooter, Janice (voice)