Special Guest Stars Cloris Leachman as Mrs. Svorski Guest Stars Corey Fogelmanis as Farkle Minkus Ceci Balagot as Isadora Smackle Nathaniel J. Potvin as Academic Top Half Kamran Lucas as Academic Bottom Half Willie Garson as Harrison Miller Mekai Curtis as Felix Shumpert Drew Kameron Maldonado as Walter Hrachya Hrach Etimizian as Milton