Jim Henson
Kermit the Frog, Waldorf, Rowlf the Dog, Link Hogthrob, The Swedish Chef, Dr. Teeth, The Newsman (voice)
Frank Oz
Miss Piggy / Fozzie Bear / Animal / Sam Eagle / Marvin Suggs / George the Janitor (voice)
Jerry Nelson
Floyd Pepper, Dr. Julius Strangepork, Pops, Robin the Frog, Lew Zealand, Louis Kazagger, Chicken, Crazy Harry (voice)
Dave Goelz
Gonzo / Zoot / Beauregard / Dr. Bunsen Honeydew (voice)
Richard Hunt
Statler, Scooter / Janice / Beaker / Wayne / Sweetums (voice)
