Sedov
Sasha
Zhenya
Mariya Aleksandrovna (as L. Arinina)
Oleg (as Yu. Grebenshchikov)
Pyotr (as L. Nevedomsky)
(as V. Vasilyev)
(as Yu. Solovyov)
(as A. Balter)
(as L. Burkova)
(as L. Alyoshina)
(as V. Ilyichyov)
Academician (uncredited)