Clarence

Skyler Page

Clarence Wendle (voice)

Spencer Rothbell

Jeff Randell (voice)

Sean Giambrone

Ryan 'Sumo' Sumouski (voice)

Tom Kenny

Sumo/Belson

Jason Marsden

Chad

Eric Edelstein

Belson/Percy/UFO Spotter

Roger Craig Smith

Mary

Katie Crown

Jessica/Small Girl

Hagia Hayes

Hank

Corey Burton

Howard

Jack Angel

Turkey/Pelican

Bob Bergen

Ms. Donna-Joe Judley/Woman

Amy Sedaris

Dillis

Maria Bamford

Mel/Marianio

John DiMaggio

Camden's Dad

James Arnold Taylor

Cone Man

Mark Banker

Action Man/Foreman/Police 2

Chris Edgerly

Guest Voice

Cynthia Williams

Troy/Keith/Laser Game Voice

Troy Baker

The Mayor/Walla/Pirate Announcer

Dave Boat

Amy

Ava Acres

Naked Kid

Stuart Allan

Malakevin

Thomas Barbusca

Dustin

Kyle Arem

Crendle

Gavin Pierce

Malessica

Ivy Bishop

Julian

Joshua Black

Lupe

Jacqueline Obradors

Seymour/Rooster

Jeff Glenn Bennett

Gale/E

Bette Ford

TV Commercial Announcer

Dave B. Mitchell

Randy

Jon Heder

Seabass

Atticus Shaffer

Nature Kate/Heida

Natasha Leggero

Vu

Bryson Barretto

Tinia

Mckenna Grace

Sample Lady/Cashier/Tina

Emily Eiden

EJ/Gale/Betty

Lea DeLaria

Jeremy

Henry Kaufman

Sumo's Mom/Rosa

Christine Lakin

Tinia's Cry

Anastasia James

Emilo

Albert Gonzales

Old Lady/Pizza Snack Waitress/Customer

Kari Wahlgren

Lucine

Audrey Wasilewski

Tiff

Abigail Revasch

Zookeeper/Ept 1

Chris Cox

Brad

Rick Zieff

Manager/TV Announcer/Loudspeaker Voice

Bob Joles

Joshua

Brent Popolizio

Old Man/Sparrow/Dodo

Dave Wittenberg

Joseph

Ari Rubin

Sue/Annie

Tig Notaro

TV Narrator

Phil LaMarr

Courtlin

Tayler Buck

Asian Kid

Michael Leone

Brady

Daniel DiMaggio

Cooter

Gunnar Sizemore

Clarence Singing Voice

Nick Pitera

Nathan

Damien Haas

Nurse Tucker/Tinia's Mom

Tara Strong

Cynthia

Mena Suvari

Mr. Reese

Donovan Patton

Cab Driver

Kirk Thornton

Guest Voice

Nika Futterman

Wench

Maggie Parto

Sumo's Little Brother

Riley B. Smith

Commercial Kid 2/Commercial Kid 3

Lucas Van Wormer

Ginbot

Ruth Williamson

Glary/Teen

Charley Koontz

Little Girl

Eva Bella

Chelsea

Grace Kaufman

Debbie/Girl 1/Kodo 2

Stephanie Sara

Kimby

Isabella Niems

Principal

Dan White

Breehn

Joshua Rush