| Episode credited cast: |
 | Fran Brill | - | Alice (voice) |
| Northern Calloway | - | David |
 | Kevin Clash | - | Grownup Miles / Baby Clementine / Baby Natasha (voice) |
 | Jim Henson | - | Kermit the Frog / Guy Smiley / Ernie / Harvey Monster / Frances's Last Line (voice) |
 | Richard Hunt | - | Forgetful Jones / Grandpa Grouch / Maurice Monster (voice) |
 | Madeline Kahn | - | Herself |
| Loretta Long | - | Susan |
 | Sonia Manzano | - | Maria |
| Bob McGrath | - | Bob |
 | Jerry Nelson | - | Herry Monster / News Flash Announcer (voice) |
| Miles Orman | - | Miles |
 | Roscoe Orman | - | Gordon |
 | Frank Oz | - | Bert / Cookie Monster / Grover / Frances Oznowicz (voice) |
| Joe Raposo | - | Singer 'Trying and Trying Again' (voice) |
 | Alaina Reed-Hall | - | Olivia (as Alaina Reed) |
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