Jim Henson (Kermit the Frog / Rowlf the Dog / Dr. Teeth / Swedish Chef / Waldorf / Ernie / Self)

Frank Oz (Miss Piggy / Fozzy Bear / Animal / Sam the Eagle / Bert / Grover / Cookie Monster)

Dave Goelz (Gonzo / Dr. Bunsen Honeydew / Zoot / Beauregard / Boober Fraggle)

Jerry Nelson (Robin the Frog / Camilla the Chicken / Floyd Pepper / Lew Zealand / Pops / The Count / Gobo Fraggle / Herry Monster)

Richard Hunt (Scooter / Janice / Statler / Beaker / Gladys the Cow / Two-Headed Monster / Snowman (voice))

Kathryn Mullen (Mokey Fraggle (voice))

Steve Whitmire (Turkey / Rizzo the Rat / Wembley Fraggle / Sprocket the Dog / Lips (voice))

Caroll Spinney (Big Bird / Oscar the Grouch (voice))