Guest Stars Andrew Rannells voices Matthew MacDell Joe Wengert voices Caleb June Diane Raphael voices Devin Jak Knight voices DeVon Chelsea Peretti voices Monica Foreman-Greenwald Neil Casey voices Lars Gina Rodriguez voices Gina Alvarez David Thewlis voices Lionel St. Swithens Nathan Fillion voices Nathan Fillion Rosa Salazar voices Ms. Benitez Fran Gillespie voices Samira John Gemberling voices Tyler Pico Gil Ozeri voices Wiggles Neil Casey voices Rewind Shirt Kid Fran Gillespie voices Maddie the American Girl Doll Mark Rivers voices Backup Singer