Igor Ilyinsky

as Zaitsev

Anastasiya Georgiyevskaya

as Vera Karpovna - sister-owner of the «Lipki» holiday house

Serafima Birman

as Anna Pavlovna - doctor of the «Lipki» holiday house

Vladimir Volodin

as Filipp Maksimovicg - door-keeper

Nina Doroshina

as Shura - cleaning lady of the «Lipki» holiday house

Sergei Martinson

as Miusov

Irina Zarubina

as Zoya Valentinovna Dudkina - professor's wife

Rostislav Plyatt

as Dudkin - professor

Tamara Loginova

as Klava Ignatyuk

Igor Gorbachyov

as Kostya Galushkin - husband of Klava Ignatyuk

Dina Andreeva

as Polina Eremeevna - Zaitsev's wife

Olga Aroseva

as secretary at Miusov

Sergei Blinnikov

as visitor to Miusov

Yevgeniy Maksimov

as visitor to Miusov

Aleksandr Lebedev

as medical orderly

Sergei Troitsky

as medical orderly

Mikhail Troyanovsky

as vacationer - on the roof of the «Lipki» holiday house

Tatyana Shukhmina-Shchukina

as vacationer - on the roof of the «Lipki» holiday house

Nikolai Chistyakov

as vacationer - on the roof of the «Lipki» holiday house

Zinaida Naryshkina

as head typist (uncredited)

Tamara Evgeneva-Ivanova

as typist (uncredited)