Kermit the Frog / Ernie / Dr. Teeth / Rowlf / Link Hogthrob / The Newsman / The Swedish Chef / Waldorf / Mahna Mahna / Harry the Hipster / Self

Jim Henson

Fozzie Bear / Miss Piggy / Sam the Eagle / Bert / Animal / Grover / Cookie Monster / Marvin Suggs

Frank Oz

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

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

Jerry Nelson

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

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

Richard Hunt

Self (archive footage)

Orson Welles

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

Dave Goelz

Lips / Rizzo the Rat / Sprocket the Dog / Wembley Fraggle

Steve Whitmire

Big Bird / Oscar the Grouch

Caroll Spinney

Self (archive footage)

Julie Andrews

Self (archive footage)

Harry Belafonte

Self (archive footage)

Carol Burnett

Writer

Jerry Juhl

Creator

Jim Henson

Executive Producer

Diana Birkenfield

Editor

Susan F. Walker

Associate Producer

Martin G. Baker

Editor

Jim Milio

Music

Jon Charles

Music

Ray Charles

Producer

Andrew Solt

Editor

Steve Muscarella

Editor

Mark West

Director

Peter Harris