Larisa Bukhartseva
— Pillow / Fish (voice)
Серафим Аникеев
— Don Quixote (voice)
Maria Vinogradova
— Mitya (voice)
Эраст Гарин
— Mattress-chairman (voice)
Елена Понсова
— Chair (voice)
Георгий Вицин
— Hottabych (voice)
Gennadiy Dudnik
— Alarm clock (voice)
Ирина Потоцкая
— Mitya's classmates (voice, uncredited)
Юрий Хржановский
— Report card / pallet (voice, uncredited)
Георгий Милляр
— Chair (voice, uncredited)