Big Mouth

Nick Birch / Maury the Hormone Monster / Coach Steve (voice)

Andrew Glouberman (voice)

Jessi Glaser (voice)

Leah Birch (voice)

Diane Birch / Constance the Hormone Monstress (voice)

Jay Bilzerian (voice)

Ghost of Duke Ellington (voice)

Elliot Birch (voice)

Megan the(e?) Hormone Monstress (voice)

Missy Foreman-Greenwald (voice)

DeVon

Gina Alvarez (voice)