Jolie Hoang-Rappaport

Stevie (voice)

Elias Janssen

Elliot (voice)

Simu Liu

Dad (voice)

Craig Robinson

Baloney Tony (voice)

Cristin Milioti

Mom / Additional Voices (voice)

Gia Carides

Nightmara (voice)

Omid Djalili

Sandman (voice)

SungWon Cho

Chad / Additional Voices (voice)

Zachary Noah Piser

Joon Bae / Polly (voice)

Hailey Magpali

Four-Year-Old Stevie (voice)

Francis Benson

Four-Year-Old Elliot (voice)

Kai Zen

Eight-Year-Old Stevie (voice)

Bob Bergen

Blue Clown Pacifier / Additional Voices (voice)

Maisie Benson

Cereal Kid (voice)

Jorge Diaz

Sausage Dog (voice)

Quinn Minichino Eakins

Blueberries (voice)

Erik Benson

Delilah (voice)

Lizzie Freeman

Sandling (voice)

Kellen Goff

Sandling / Additional Voices (voice)

Scott Menville

Sandling (voice)

Alex Cazares

Scary Grandma / Additional Voices (voice)

Reese Warren

Friend with Braces (voice)

Hunter Clayton Dixon

Additional Voices (voice)

David Errigo Jr.

Additional Voices (voice)

Matthew Yang King

Additional Voices (voice)

Tara Strong

Additional Voices (voice)

Miriam Wallen

Additional Voices (voice)