Oona Laurence

Hedgehog (voice)

Julia Pott

Susie (voice)

Elliott Smith

Oscar (voice)

Ramone Hamilton

Max (voice)

Asher Bishop

Oscar (voice)

Lo Mutuc

Alice (voice)

Indie Nameth

Lucy / Additional Voices (voice)

Niki Yang

Batilda (voice)

Julian Glander

Additional Voices (voice)

Kent Osborne

Grigory Midnight / Additional Voices (voice)

Sarah Lloyd

Sarah (voice)

Thomas Herpich

Carl (voice)

Seo Kim

Additional Voices (voice)

Antonio Raul Garcia

Baby Dylan (Alice) (voice)

Elijah Wood

Saxophone (voice)

Mike Birbiglia

Howard (voice)

Naomi Hansen

Additional Voices (voice)

Melanie Lynskey

Sun (voice)

Issac Ryan Brown

Max (voice)

Daphne Thomas

Lem (voice)

Richard Kind

Additional Voices (voice)

Maggie Lowe

Additional Voices (voice)

Keith Szarabajka

Additional Voices (voice)

Nikki Castillo

Betsy (voice)

Alexa Nisenson

Alexa (voice)

Daniel Hagen

Additional Voices (voice)

Ethan Maher

Puddle (voice)

Eric Bauza

Additional Voices (voice)

Brycen Taylor Hall

Additional Voices (voice)

Dexter Hobert

Additional Voices (voice)

Luke Lowe

Additional Voices (voice)

O'Neill Monahan

Additional Voices (voice)

Cooper Yarovinsky

Additional Voices (voice)

Sam Lavagnino

Pepper / Alien (voice)

Caleb McLaughlin

Ghost (voice)

Kathleen Wilhoite

Oscar's Mom (voice)

Alfred Molina

Additional Voices (voice)

Nat Faxon

Popular Banana Split (voice)

Tyler Williams

Additional Voices (voice)

Andre Robinson

Decent Boi (Hedgehog) (voice)

Brenda Vaccaro

Godmonster (voice)

Lorraine Bracco

Werewolf Queen (voice)

Juju Journey Brener

Additional Voices (voice)

Brian Baumgartner

Storm Cloud (voice)

Rylee Alazraqui

Additional Voices (voice)

Fortune Feimster

Additional Voices (voice)

Bobcat Goldthwait

Monk Voice (voice)

Cedric the Entertainer

Additional Voices (voice)

Mattea Quin

Lem (voice)

Lori Petty

Ms. Pinch (voice)

Paula Poundstone

Paulette (voice)

Garrett Davis

Toothpaste (voice)

Kate Flannery

Georgina (voice)

Betsy Sodaro

Skadi (voice)

Kimiko Glenn

Additional Voices (voice)

Jane Lynch

Skadi's Mom (voice)

Don Lake

Doc Hogsbottom (voice)

Cole Sanchez

Ghost Dad Cole (voice)

Whoopi Goldberg

Barb (voice)

Alia Shawkat

Cinnamon Raisin Toast (voice)

Lesley Nicol

Ramona / Additional Voices (voice)

Rachel Dratch

Bernadette (voice)

Carol Kane

Barb Jr. (voice)

Wanda Sykes

Ethel (voice)

John Hodgman

Bartholomole (voice)

Kathleen Turner

Mole Judge (voice)

Justin Felbinger

Dungeon Doug (voice)

Bobby Moynihan

Additional Voices (voice)

Jack Stanton

Additional Voices (voice)

Cooper J. Friedman

Caboodle (voice)

Steve Berg

Harry (voice)

Isobel Chinnery

Ramona Age 8 (voice)

Jo Firestone

Mallory (voice)

Laraine Newman

Hedgehog's Mom / Additional Voices (voice)

Melissa Villaseñor

Psychic (voice)

Bella Ramsey

Ramona Age 15 (voice)

Shen Yao

Additional Voices (voice)

Stephen Root

Prime Monister (voice)

Lucian Perez

Glazed Ham (voice)

Austen Alazraqui

Additional Voices (voice)

Hudson Cordero

Additional Voices (voice)

Henry Holcomb

Additional Voices (voice)

Gaille Heidemann

Additional Voices (voice)

Roz Ryan

Tammy / Patrice (voice)

Keith Ferguson

Ghost Pendarvis (voice)

Wallace Shawn

Pete (voice)

Aimee Mann

Siren (voice)

Alex Lawther

Mildred's Friend / Additional Voices (voice)

Aparna Nancherla

Opie / Agatha (voice)

Ashley Jensen

Miss Mary (voice)

Ashly Burch

Additional Voices (voice)

Audrey Wasilewski

Yeti Nurse (voice)

Bob Balaban

Gerald (voice)

Chris Fleming

Professor Q (voice)

Cole Escola

Sea Slug (voice)

Danny Pudi

Cookiesmell (voice)

Dee Bradley Baker

Stair Rabbit (voice)

Doug Benson

Bassoon / Additional Voices (voice)

Dylan Alvarado

King (voice)

Elsie Fisher

Sea Snail (voice)

Eva Victor

Sea Susie (voice)

Frances Conroy

Ms. Clearinet (voice)

Fred Melamed

Monk Receptionist / Additional Voices (voice)

Fred Stoller

Ghost the Earnest (voice)

Ian Chen

Pale Dog (voice)

Iris Bahr

Mother Mouse (voice)

Isla Ashworth

Young Mildred (voice)

Jason Maybaum

Fife (voice)

Joanna Lumley

Adult Susie (voice)

John Early

Bearded Sheep (voice)

Julian Barratt

Sandwich Monk (voice)

Julian Edwards

Pepper / Additional Voices (voice)

Kate Berlant

Striped Horse (voice)

Kate Dickie

Professor Elliot (voice)

Kate Micucci

Accordion (voice)

Keith David

Lithophone (voice)

Kevin Michael Richardson

Time (voice)

LaTanya Richardson Jackson

Queen Bee (voice)

Laura Dickinson

Additional Voices (voice)

Lauren Lapkus

Olf (voice)

Lolly Adefope

Snowflake (voice)

Loretta Devine

Sea Cow (voice)

Lorraine Toussaint

Emily Ghost (voice)

Maria Bamford

The Royal Mush (voice)

Mia Lynn Bangunan

Baklava (voice)

Momona Tamada

Bethie (voice)

Mykal-Michelle Harris

Lem / Additional Voices (voice)

Quinn Minichino Eakins

Moonbeam (voice)

Remy Edgerly

Noodle / Additional Voices (voice)

Richard Masur

The Broom Maker (voice)

Sacha Dhawan

Miracle Rabbit (voice)

Sally Struthers

Additional Voices (voice)

Scott Hoying

Blobfish (voice)

Shirley Henderson

Additional Voices (voice)

Sunita Mani

Lucyola (voice)

Toks Olagundoye

Additional Voices (voice)

Tony Curran

Ryan (voice)

Travis McElroy

Cutie (voice)

Vanessa Lee Chester

Nancy / Minituni (voice)

Yara Shahidi

Beanie (voice)