S1E3 · Probablement gay

Nick Kroll

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

John Mulaney

Andrew Glouberman (voice)

Jessi Klein

Jessi Glaser (voice)

Jenny Slate

Missy Foreman-Greenwald (voice)

Jason Mantzoukas

Jay Bilzerian (voice)

Maya Rudolph

Diane Birch / Constance the Hormone Monstress (voice)

Fred Armisen

Elliot Birch (voice)

Jordan Peele

Ghost of Duke Ellington (voice)

Andrew Rannells

Matthew (voice)

Kristen Bell

Uninterested Girl (voice)

Jon Gabrus

Movie Theater Customer (voice)

Brendan McCreary

Freddie Mercury (singing voice)

Paula Pell

(voice)

Joe Wengert

Caleb (voice)

Jak Knight

DeVon (voice)

Jon Daly

Judd Birch (voice)

Kat Dennings

Leah Birch (voice)

Seth Morris

Greg Glaser (voice)

Richard Kind

Marty Glouberman (voice)