Big Mouth

Nick Kroll

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

John Mulaney

Andrew Glouberman (voice)

Jessi Klein

Jessi Glaser (voice)

Jason Mantzoukas

Jay Bilzerian (voice)

Maya Rudolph

Diane Birch / Connie the Hormone Monstress (voice)

Fred Armisen

Elliot Birch (voice)

Jordan Peele

Ghost of Duke Ellington (voice)

Pamela Adlon

Sonya the Lovebug (voice)

Ayo Edebiri

Missy Foreman-Greenwald (voice)

Andrew Rannells

Matthew (voice)

Jenny Slate

Missy Foreman-Greenwald (voice)

Jessica Chaffin

Shannon Glaser (voice)

Jon Hamm

Scallops (voice)

Kristen Bell

Pam the Pillow (voice)

Jon Gabrus

Movie Theater Customer (voice)

Anna Graves

Mrs. Albert (voice)

Nasim Pedrad

Fatima (voice)

Brandon Kyle Goodman

Walter the Lovebug (voice)