Clarence plans to throw the sleepover to end all sleepovers with decorations, pillow fights, and games, but there's one thing missing - guests; Clarence wants invite all his friends, but finds that they might need some convincing.
Spencer Rothbell
Clarence Wendle / Balance / Camden / Beauford / Mavis (voice)
Tom Kenny
Ryan 'Sumo' Sumouski / Candice / Walt (voice)
Sean Giambrone
Jeff Randall / Someone Else (voice)
Katie Crown
Ms. Baker / Mary / Newscaster / Ms. Shoop / Beach Girl (voice)
Eric Edelstein
Chad (voice)
Roger Craig Smith
Belson / Percy / Minni3 / Computer Voice / Beach Guy / Old Lady (voice)
John DiMaggio
Mel / Zookeeper (voice)
Donovan Patton
Mr. Reese / Weather Guy / Lisa / Surfer / Hershey (voice)
David Boat
Mayor (voice)
Christine Lakin
Tinona / Brandi / Baby (voice)
Ari Rubin
Tanner (voice)
Kate Berlant
Ms. Julip (voice)
