Jim Henson
Kermit the Frog / Rowlf / Dr. Teeth / Waldorf / Doc Hopper's Men / Link Hogthrob / Swedish Chef (voice)
Frank Oz
Miss Piggy / Fozzie Bear / Animal / Sam the Eagle / Doc Hopper's Men / Marvin Suggs / Swedish Chef (hands) / Motorcycle Guy (voice)
Jerry Nelson
Floyd Pepper / Robin the Frog / Crazy Harry / Lew Zealand / Camilla / Dr. Bunsen Honeydew (assistant) (voice)