Emmy the Lovebug
Aidy Bryant
Tito the Anxiety Mosquito (voice) / Tito Taylor Thomas / Kitty Dukakis
Maria Bamford
Pete the Logic Rock (voice)
Randall Park
Maury the Hormone Monster (voice)
Nick Kroll
Constance the Hormone Monstress (voice)
Maya Rudolph
The Shame Wizard
David Thewlis
Rochelle the Lovebug (voice)
Keke Palmer
Sonya the Lovebug
Pamela Adlon
Becca
Ali Wong
Walter the Lovebug
Brandon Kyle Goodman
Dante the Addiction Angel (voice)
Hugh Jackman
Keith from Grief (voice)
Henry Winkler
Barry (voice)
Mike Birbiglia
Petra the Ambition Gremlin (voice)
Rosie Perez
Doug (voice)
Tim Robinson
Gavin the Hormone Monster (voice)
Bobby Cannavale
Mona the Hormone Monstress (voice) / Mona (voice)
Thandiwe Newton
Joe (voice) / Joe / Doctor (voice)
Joe Wengert
Tyler Pico (voice)
John Gemberling
Gil (voice)
Gil Ozeri
(voice) / Dept. of Magical Thinking Announcer (voice)
Ashley London
Amir (voice)
Ahmed El-Mawas
José the Spider Receptionist (voice)
Harvey Guillén