Zajtsev
Miusov
Anna Pavlovna - doctor of the «Lipki» holiday house
Vera Karpovna - sister-owner of the «Lipki» holiday house
Dudkin - professor
Zoya Valentinovna Dudkina - professor's wife
Filipp Maksimovicg - door-keeper
Shura - cleaning lady of the «Lipki» holiday house
Kostya Galushkin - husband of Klava Ignatyuk
secretary at Miusov
Head typist
visitor to Miusov
Klava Ignatyuk
Polina Eremeevna - Zaitsev's wife
vacationer - on the roof of the «Lipki» holiday house
Medical orderly
vacationer - on the roof of the «Lipki» holiday house
Typist
Medical orderly
visitor to Miusov
vacationer - on the roof of the «Lipki» holiday house