Cast and credits of Sesame Street: Learning About Letters

Jim Henson

Caroll Spinney
Big Bird / Oscar the Grouch (voice)

Martin P. Robinson
Mr. Snuffleupagus / Telly Monster / Buster the Horse / Irvine (voice)

Emilio Delgado
Luis

Pam Arciero
Dentist (voice)

Kevin Clash
U / Cow / Boy (voice)

Bryant Young
Mr. Snuffleupagus' tail end

Lena Horne
Self (archive footage)

Richard Hunt
Green (AM) Townsperon / Various Muppets (voice) (archive footage)

Jerry Nelson
Mr. Johnson / Farley / Herry Monster / Pumpkin (AM) Townsperon (voice) (archive footage)

Frank Oz
Cookie Monster / Bert / Grover / Princess Penelope / The Royal Cook (voice) (archive footage)

Jim Henson
Mr. Johnson / Ernie / Kermit the Frog / King Peter the Persnickety (voice) (archive footage) (uncredited)