Guest Stars Andrew Rannells voices Matthew MacDell Joe Wengert voices Caleb June Diane Raphael voices Devin Jak Knight voices DeVon Thandiwe Newton voices Mona Chelsea Peretti voices Monica Foreman-Greenwald Ali Wong voices Ali Joe Wengert voices Lump Humpman David Thewlis voices Lionel St. Swithens Brandon Kyle Goodman voices Walter Las Palmas Pamela Adlon voices Sonya Poinsettia Jenny Slate voices Additional Voices Quinta Brunson voices Quinta Keke Palmer voices Rochelle Hillhurst Gil Ozeri voices Wiggles