Skyler Page Creator, Executive Producer Spencer Rothbell Clarence Voice Tom Kenny Sumo Voice Sean Giambrone Jeff Voice Katie Crown Mary Voice Eric Edelstein Chad Voice Donovan Patton Mr. Reese, Mayor's Assistant Guest Voice David Boat Mayor Guest Voice Jenelle Lynn Randall Ms. Lofton Guest Voice Curtis Lelash Executive Producer Brian A. Miller Executive Producer Jennifer Pelphrey Executive Producer Rob Sorcher Executive Producer