Birth

Nick Kroll

Maury the Hormone Monster (voice)

Maya Rudolph

Constance the Hormone Monstress (voice)

Randall Park

Pete the Logic Rock (voice)

Aidy Bryant

Emmy the Lovebug (voice)

David Thewlis

Shame Wizard (voice)

Keke Palmer

Rochelle the Lovebug (voice)

Pamela Adlon

Sonya the Lovebug (voice)

Brandon Kyle Goodman

Walter the Lovebug (voice)

Rosie Perez

Petra the Ambition Gremlin (voice)

Jemaine Clement

Simon Sex (voice)

Thandiwe Newton

Mona the Hormone Monstress (voice)

Bobby Cannavale

Gavin the Hormone Monster (voice)

Jean Smart

Henry Winkler

Keith from Grief (voice)

Maria Bamford

Tito the Anxiety Mosquito (voice)

Tim Robinson

Ashley London

Dept. of Magical Thinking Announcer (voice)

Joe Wengert

Joe / Doctor (voice)

John Gemberling

Tyler Pico (voice)

Mike Birbiglia

Barry (voice)

Hugh Jackman

Dante the Addiction Angel (voice)

Gil Ozeri

Gil (voice)

Ali Wong

Becca (voice)