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 (voice)

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

Richard Hunt

Beaker / Scooter / Statler / Sweetums / Janice / Two-Headed Monster (Stein) / Tug Monster (voice)

Dave Goelz

The Great Gonzo / Dr. Bunsen Honeydew / Beauregard / Zoot / Uncle 'Travelling' Matt Fraggle / Boober Fraggle (voice)

Steve Whitmire

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

Caroll Spinney

Big Bird / Oscar the Grouch (voice)

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)