Jim Henson
Kermit the Frog / Ernie / Dr. Teeth / Rowlf / Link Hogthrob / The Newsman / The Swedish Chef / Waldorf / Mahna Mahna / Harry the Hipster / Self
Frank Oz
Fozzie Bear / Miss Piggy / Sam the Eagle / Bert / Animal / Grover / Cookie Monster / Marvin Suggs
Jerry Nelson
Camilla / Count von Count / Crazy Harry / Dr. Julius Strangepork / Lew Zealand / Robin the Frog / Louis Kazagger / Sgt. Floyd Pepper / Two-Headed Monster (Frank) / Gobo Fraggle
Dave Goelz
The Great Gonzo / Dr. Bunsen Honeydew / Beauregard / Zoot / Uncle 'Travelling' Matt Fraggle / Boober Fraggle
Steve Whitmire
Lips / Rizzo the Rat / Sprocket the Dog / Wembley Fraggle
Caroll Spinney
Big Bird / Oscar the Grouch
Julie Andrews
Self (archive footage)
Harry Belafonte
Self (archive footage)
Carol Burnett
Self (archive footage)
George Burns
Self (archive footage)
Ray Charles
Self (archive footage)
Cher
Self (archive footage)
James Coburn
Self (archive footage)
Jimmy Dean
Self (archive footage)
John Denver
Self (archive footage)
Elton John
Self (archive footage)
Gene Kelly
Self (archive footage)
Steve Martin
Self (archive footage)
Ed McMahon
Self (archive footage)
Ethel Merman
Self (archive footage)
Rita Moreno
Self (archive footage)
Zero Mostel
Self (archive footage)
Linda Ronstadt
Self (archive footage)
Diana Ross
Self (archive footage)
Brooke Shields
Self (archive footage)
Sylvester Stallone
Self (archive footage)
Ed Sullivan
Self (archive footage)
Lily Tomlin
Self (archive footage)
Ben Vereen
Self (archive footage)
Orson Welles
Self (archive footage)
Richard Hunt
Beaker / Scooter / Statler / Sweetums / Janice / Two-Headed Monster (Stein) / Tug Monster
