Oona Laurence
Hedgehog (voice) (40 eps)
Julia Pott
Susie (voice) (40 eps)
Elliott Smith
Oscar (voice) (40 eps)
Ramone Hamilton
Max (voice) (40 eps)
Charlyne Yi
Alice (voice) (40 eps)
Indie Nameth
Lucy (voice) (40 eps)
Sam Lavagnino
Additional Voices (voice) (23 eps)
Ethan Maher
Boyband (voice) (16 eps)
Andre Robinson
Oliver (voice) (13 eps)
Bobby Moynihan
Jimjams (voice) (13 eps)
Naomi Hansen
Additional Voices (voice) (11 eps)
Fortune Feimster
Additional Voices (voice) (11 eps)
Alexa Nisenson
Alexa (voice) (11 eps)
Nikki Castillo
Betsy (voice) (10 eps)
Mike Birbiglia
Howard (voice) (8 eps)
Kent Osborne
Additional Voices (voice) (8 eps)
Alfred Molina
Andy (voice) (7 eps)
Cedric the Entertainer
Moon (voice) (6 eps)
Alia Shawkat
Blanche (voice) (6 eps)
Richard Kind
Shark (voice) (5 eps)
Kimiko Glenn
Margot (voice) (4 eps)
Daphne Thomas
Lem (voice) (4 eps)
Kathleen Wilhoite
Sue (voice) (4 eps)
Cole Sanchez
Freddie (voice) (4 eps)
Rylee Alazraqui
Alien (voice) (4 eps)
Melanie Lynskey
Sun (voice) (3 eps)
Luke Lowe
Additional Voices (voice) (3 eps)
Lesley Nicol
Ramona (voice) (3 eps)
Paula Poundstone
Paulette (voice) (3 eps)
Kevin Michael Richardson
Toast Ghost (voice) (3 eps)
Whoopi Goldberg
Barb (voice) (3 eps)
Issac Ryan Brown
Max (voice) (2 eps)
Maggie Lowe
Additional Voices (voice) (2 eps)
Daniel Hagen
Additional Voices (voice) (2 eps)
Eric Bauza
Additional Voices (voice) (2 eps)
Gaille Heidemann
Additional Voices (voice) (2 eps)
Roz Ryan
Additional Voices (voice) (2 eps)
Don Lake
Additional Voices (voice) (2 eps)
Elijah Wood
Saxophone (voice) (1 eps)
Keith Szarabajka
Additional Voices (voice) (1 eps)
Brycen Taylor Hall
Additional Voices (voice) (1 eps)
Dexter Hobert
Additional Voices (voice) (1 eps)
O'Neill Monahan
Additional Voices (voice) (1 eps)
Cooper Yarovinsky
Additional Voices (voice) (1 eps)
Caleb McLaughlin
Ghost (voice) (1 eps)
Nat Faxon
Popular Banana Split (voice) (1 eps)
Tyler Williams
Additional Voices (voice) (1 eps)
Brenda Vaccaro
Godmonster (voice) (1 eps)
Lorraine Bracco
Werewolf Queen (voice) (1 eps)
Juju Journey Brener
Additional Voices (voice) (1 eps)
Brian Baumgartner
Storm Cloud (voice) (1 eps)
Bobcat Goldthwait
Monk Voice (voice) (1 eps)
Fred Melamed
Monk Receptionist (voice) (1 eps)
Mattea Quin
Lem (voice) (1 eps)
Lori Petty
Ms. Pinch (voice) (1 eps)
Garrett Davis
Toothpaste (voice) (1 eps)
Kate Flannery
Georgina (voice) (1 eps)
Betsy Sodaro
Skadi (voice) (1 eps)
Jane Lynch
Skadi's Mom (voice) (1 eps)
Laraine Newman
Hedgehog's Mom (voice) (1 eps)
Sally Struthers
Additional Voices (voice) (1 eps)
Niki Yang
Egg (voice) (1 eps)
Rachel Dratch
Bernadette (voice) (1 eps)
Carol Kane
Barb Jr. (voice) (1 eps)
Wanda Sykes
Ethel (voice) (1 eps)
Stephen Root
Stuart (voice) (1 eps)