Cast and credits of Sesame Street: Once Upon a Monster

Gregg Berger
(voice)

Tim Blaney
(voice)

Kevin Clash
Elmo (voice)

Jessica DiCicco
Tallulah (voice) (as Jessica Di Cicco)

Jeannie Elias
(voice)

Gideon Emery
Doo-Rays (voice)

Eric Jacobson
Grover (voice)

Drew Massey
Marco (voice)

Paul McGinnis
Additional Muppeteer

Lara Jill Miller
(voice)

David Rudman
Cookie Monster (voice)

Caroll Spinney
Oscar the Grouch (voice)

Tara Strong
(voice)