Антон Иванович сердится

Sima, his daughter

Alexey Mukhin, composer

Anton Ivanovich Voronov, professor

Dina, Voronov's eldest daughter

Natalia Mikhailovna, Voronov's wife

Yadviga Valentinovna Kholodetskaya

Yakov Grigorievich Kibrik, comedian of the Musical Comedy

Kerosinov, composer

Rollandow, tenor

Skvoreshnikov, director of musical comedy

Johann Sebastian Bach

conservatory vocal professor