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)