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)

Peter Harris