Scott Menville

Sandling (voice)

Bob Bergen

Blue Clown Pacifier / Additional Voices (voice)

Omid Djalili

Sandman (voice)

David Errigo Jr.

Additional Voices (voice)

Craig Robinson

Baloney Tony (voice)

Alex Cazares

Scary Grandma / Additional Voices (voice)

Jolie Hoang-Rappaport

Stevie (voice)

Kellen Goff

Sandling / Additional Voices (voice)

Elias Janssen

Elliot (voice)

Simu Liu

Dad (voice)

Cristin Milioti

Mom / Additional Voices (voice)

Gia Carides

Nightmara (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)

Maisie Benson

Cereal Kid (voice)

Jorge Diaz

Sausage Dog (voice)

Quinn Minichino Eakins

Blueberries (voice)

Erik Benson

Delilah (voice)

Lizzie Freeman

Sandling (voice)

Reese Warren

Friend with Braces (voice)

Hunter Clayton Dixon

Additional Voices (voice)

Alexander Woo

Director