Clarence

Eric Edelstein

Chad (voice)

Spencer Rothbell

Clarence / Camden / Mavis (voice)

Tom Kenny

Sumo (voice)

Sean Giambrone

Jeff (voice)

Katie Crown

Mary / Ms. Baker / Ms. Shoop (voice)

Roger Craig Smith

Belson / Percy (voice)

Skyler Page

Clarence / Mr. Reese / Nathan (voice)

Grace Kaufman

Chelsea (voice)

Donovan Patton

Mr. Reese (voice)

Damien C. Haas

Nathan (voice)

Kyle Arem

Dustin (voice)

Joshua Rush

Breehn (voice)

Isabella Niems

Kimby (voice)

Bryson Barretto

Vu (voice)

Ivy Bishop

Malessica (voice)

John DiMaggio

Mel (voice)

Lea DeLaria

EJ (voice)

Brent Popolizio

Joshua (voice)

Audrey Wasilewski

Lucine (voice)

Tayler Buck

Courtlin (voice)

Chris Edgerly

Guy in Car / Ice Cream Attendant / Newscaster (voice)

David Boat

Mayor (voice)

Mena Suvari

Cynthia (voice)

Christine Lakin

Tinona (voice)