John Denver

Himself

Jim Henson

Kermit the Frog / Rowlf / Waldorf / Dr. Teeth / The Swedish Chef (voice)

Frank Oz

Miss Piggy / Fozzie Bear / Animal (voice)

Richard Hunt

Scooter / Statler / Janice / Beaker (voice)

Dave Goelz

The Great Gonzo / Zoot / Dr. Bunsen Honeydew (voice)

Jerry Nelson

Camilla / Lew Zealand / Robin the Frog / Sgt. Floyd Pepper (voice)

Steve Whitmire

Kathryn Mullen

Brian Muehl