Clarence Clarence is a new kid in school who can't wait to make new friends. When he hosts a party at his house, only the wild Sumo and uptight Jeff show up, but Clarence shows them both how to have fun - the Clarence way. Details Casts Posters Title Clarence Release Date 2013-05-21 Runtime 00 Hours 07 Minutes Genres Comedy Family Animation TV Movie Production Companies Cartoon Network Studios Production Countries Skyler Page... Clarence / Fireman (voice... Sean Giambrone... Jeff (voice)... Jason Marsden... Sumo / Brian / Belson (vo... Katie Crown... Teacher / Mom / Kid (voic... Eric Edelstein... Chad / Police / Gameshow ... Original Size (1080x1620)