Spencer Rothbell
Clarence / Camden / Mavis (voice) (51 eps)
Skyler Page
Clarence / Mr. Reese / Nathan (voice) (51 eps)
Tom Kenny
Sumo (voice) (51 eps)
Sean Giambrone
Jeff (voice) (51 eps)
Katie Crown
Mary / Ms. Baker / Ms. Shoop (voice) (51 eps)
Eric Edelstein
Chad (voice) (51 eps)
Roger Craig Smith
Belson / Percy (voice) (51 eps)
Kyle Arem
Dustin (voice) (13 eps)
Grace Kaufman
Chelsea / Emilio's Sister (voice) (10 eps)
Joshua Rush
Breehn (voice) (9 eps)
Brent Popolizio
Joshua (voice) (7 eps)
Isabella Niems
Kimby / Darlie (voice) (6 eps)
Chris Edgerly
Ranger / Manny Piffle / Mountain Lion (voice) (6 eps)
Damien C. Haas
Mummy Teen / Toad (voice) (6 eps)
Ivy Bishop
Malessica (voice) (5 eps)
Tayler Buck
Courtlin (voice) (5 eps)
Nika Futterman
Owners Wife (voice) (5 eps)
Donovan Patton
Mr. Reese (voice) (5 eps)
Kirk Thornton
Gunnar / Hairyman (voice) (5 eps)
Daniel DiMaggio
Brady (voice) (4 eps)
Joshua Black
Julien (voice) (4 eps)
Anastasia James
Ashley (voice) (4 eps)
Bryson Barretto
Vu (voice) (4 eps)
Lea DeLaria
EJ (voice) (4 eps)
Albert Gonzales
Emilio (voice) (3 eps)
Bob Bergen
Goldfish / Hot Dog Guy / Shop Keeper (voice) (3 eps)
Mena Suvari
Cynthia / Video Game Voice (voice) (3 eps)
Dave Wittenberg
Old Man / Sparrow / Dodo (voice) (3 eps)
John DiMaggio
Mel (voice) (3 eps)
Christine Lakin
Tinona / Rosa (voice) (3 eps)
Cynthia Kaye McWilliams
Cashier / Little Girl (voice) (2 eps)
Abigail Revasch
Tiff (voice) (2 eps)
Gavin Pierce
Crendle (voice) (2 eps)
Gunnar Sizemore
Commercial Kid 1 (voice) (2 eps)
David Boat
Mayor / Intercom / Man (voice) (2 eps)
Ava Acres
Amy (voice) (1 eps)
Michael Leone
Asian Kid (voice) (1 eps)
Troy Baker
Troy / Keith Mack / Lazer Game Voice (voice) (1 eps)
Eva Bella
Little Girl (voice) (1 eps)
Emily Eiden
Sample Lady / Cashier Girl / Tina (voice) (1 eps)
Bob Joles
Manager / TV Announcer / Loudspeaker Voice (voice) (1 eps)
Stephanie Sheh
Debbie / Girl #1 / Kid #2 (voice) (1 eps)
Stuart Allan
Naked Kid (voice) (1 eps)
Hana Hayes
Jessica / Small Girl (voice) (1 eps)
Kari Wahlgren
Old Lady / Pizza Shack Waitress / Customer (voice) (1 eps)
Ruth Williamson
Ginsbot (voice) (1 eps)
Dave B. Mitchell
TV VO Announcer (voice) (1 eps)
Lucas Van Wormer
Commercial Kid 2 / Commercial Kid 1 (voice) (1 eps)
Thomas Barbusca
Malakevin (voice) (1 eps)
Chris Cox
Zookeeper / EMT 1 (voice) (1 eps)
Jon Heder
Randy (voice) (1 eps)
Audrey Wasilewski
Lucine (voice) (1 eps)
Ari Rubin
Joseph (voice) (1 eps)
Riley B. Smith
Sumo's Little Brother (voice) (1 eps)
Natasha Leggero
Nature Kate / Heida (voice) (1 eps)
Jason Marsden
Sumo / Brian / Belson (voice) (1 eps)
Tara Strong
Nurse Tacker / Tinia's Mom (voice) (1 eps)
Mckenna Grace
Tinia (voice) (1 eps)
Mark Banker
Cone Man (voice) (1 eps)
Nick Pitera
Clarence Singing Voice (voice) (1 eps)
Tig Notaro
Sue / Annie (voice) (1 eps)
Corey Burton
Hank (voice) (1 eps)
Jacqueline Obradors
Lupe (voice) (1 eps)
Maria Bamford
Dilliss (voice) (1 eps)
Jeff Bennett
Seymour / Rooster (voice) (1 eps)
Amy Sedaris
Ms. Donna-Joe Judley / Woman (voice) (1 eps)
Atticus Shaffer
Seabass (voice) (1 eps)
Henry Kaufman
Jeremy (voice) (1 eps)
Phil LaMarr
TV Narrator (voice) (1 eps)
Rick Zieff
Brad (voice) (1 eps)
Charley Koontz
Glary / Teen (voice) (1 eps)
Jack Angel
Howard (voice) (1 eps)
Bette Ford
Gale / E (voice) (1 eps)
James Arnold Taylor
Hershey (voice) (1 eps)