Discover
Gene Shalit
Self
Frank Oz
Grover / Cookie Monster / Bert (voice) (archive footage)
Jim Henson
Guy Smiley / Ernie / Kermit the Frog (voice) (archive footage)
Jerry Nelson
Frazzle / Herry Monster / Count von Count / Mr. Johnson / Christopher Columbus (voice) (archive footage)
Caroll Spinney
Big Bird (voice) (archive footage)
Sonia Manzano
Maria (archive footage)
Bob McGrath
Bob (archive footage)
Northern Calloway
David (archive footage)
Roscoe Orman
Gordon (archive footage)
Emilio Delgado
Luis (archive footage)
Loretta Long
Susan (archive footage)
Will Lee
Mr. Hooper (archive footage)
Lena Horne
Self (archive footage)