James Earl Jones

Self - Host

Caroll Spinney

Big Bird / Oscar the Grouch (voice)

Linda Bove

Linda

Bob McGrath

Bob Johnson

Alaina Reed Hall

Olivia Robinson

Will Lee

Mr. Hooper

Brian Muehl

Barkley (voice)

Frank Oz

Grover / Cookie Monster / Bert (archive footage)

Burt Lancaster

Self (archive footage)

Henry Winkler

Arthur "The Fonz" Fonzarelli (archive footage)

Ron Howard

Richie Cunningham (archive footage)

Michael Landon

Little Joe (archive footage)

Javier Dotú

Blas (voice) (archive footage)

Emilio Delgado

Luis (archive footage) (uncredited)

Loretta Long

Susan (uncredited)

Roscoe Orman

Gordon (uncredited)

Jerry Nelson

The Count / Mr. Johnson / ... (archive footage) (uncredited)

Arte Johnson

German Soldier (Wolfgang) (archive footage) (uncredited)

Whitman Mayo

Self (archive footage) (uncredited)

Flip Wilson

Self (archive footage) (uncredited)