 James Earl JonesSelf - Host | Self - Host |
 Caroll SpinneyBig Bird / Oscar the Grouch (voice) | Big Bird / Oscar the Grouch (voice) |
 Linda BoveLinda | Linda |
 Bob McGrathBob Johnson | Bob Johnson |
 Alaina Reed HallOlivia Robinson | Olivia Robinson |
 Will LeeMr. Hooper | Mr. Hooper |
 Brian MuehlBarkley (voice) | Barkley (voice) |
 Frank OzGrover / Cookie Monster / Bert (archive footage) | Grover / Cookie Monster / Bert (archive footage) |
 Burt LancasterSelf (archive footage) | Self (archive footage) |
 Henry WinklerArthur "The Fonz" Fonzarelli (archive footage) | Arthur "The Fonz" Fonzarelli (archive footage) |
 Ron HowardRichie Cunningham (archive footage) | Richie Cunningham (archive footage) |
 Michael LandonLittle Joe (archive footage) | Little Joe (archive footage) |
| LLucien MorisseToccata (archive footage) | Toccata (archive footage) |
| PPepe Martinez BlancoEpi (voice) (archive footage) | Epi (voice) (archive footage) |
 Javier DotúBlas (voice) (archive footage) | Blas (voice) (archive footage) |
| MMichael EarlMr. Snuffleupagus (archive footage) | Mr. Snuffleupagus (archive footage) |
 Emilio DelgadoLuis (archive footage) (uncredited) | Luis (archive footage) (uncredited) |
 Loretta LongSusan (uncredited) | Susan (uncredited) |
 Roscoe OrmanGordon (uncredited) | Gordon (uncredited) |
 Jerry NelsonThe Count / Mr. Johnson / ... (archive footage) (uncredited) | The Count / Mr. Johnson / ... (archive footage) (uncredited) |
 Arte JohnsonGerman Soldier (Wolfgang) (archive footage) (uncredited) | German Soldier (Wolfgang) (archive footage) (uncredited) |
 Whitman MayoSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Flip WilsonSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Richard PryorSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
| JJoey CalvanJoey (archive footage) (uncredited) | Joey (archive footage) (uncredited) |
 Bill CosbySelf (Twins) (archive footage) (uncredited) | Self (Twins) (archive footage) (uncredited) |
 Lorne GreeneBen Cartwright (archive footage) (uncredited) | Ben Cartwright (archive footage) (uncredited) |
 Dan BlockerHoss (archive footage) (uncredited) | Hoss (archive footage) (uncredited) |
 Pat PaulsenSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Jim HensonErnie / Kermit the Frog (archive footage) (uncredited) | Ernie / Kermit the Frog (archive footage) (uncredited) |