The Monster at the End of This Story is Sesame Street special on HBO Max.
| Actor | Role |
|---|---|
 Leslie Carrara-RudolphAbby Cadabby | Abby Cadabby |
 Stephanie D'AbruzzoGrover's Mother | Grover's Mother |
 Ryan DillonElmo (voice) | Elmo (voice) |
 Eric JacobsonGrover (voice) | Grover (voice) |
 Carmen OsbahrRosita | Rosita |
 David RudmanCookie Monster (voice) | Cookie Monster (voice) |