A film about the large family of the head of a maternity hospital. Living by very strict moral standards and nicknamed Don Quixote for this, he brings up his sons in the same spirit. And the sons turn out to be worthy of their father, although they often have to overcome various, both serious and comic, difficulties in life.
| Actor | Role |
|---|---|
 Anatoliy PapanovPyotr Bondarenko, an obstetrician-gynecologist | Pyotr Bondarenko, an obstetrician-gynecologist |
 Vera OrlovaVera Bondarenko, plastic surgeon | Vera Bondarenko, plastic surgeon |
 Vladimir KorenevViktor Bondarenko, painter | Viktor Bondarenko, painter |
 Lev PrygunovDima Bondarenko, a college student | Dima Bondarenko, a college student |
 Natalya FateyevaMarina Nikolaevna, director of the theater | Marina Nikolaevna, director of the theater |
 Natalya SedykhMotya, freckled girl | Motya, freckled girl |
 Nikolai ParfyonovAfanasiy Ivanovich | Afanasiy Ivanovich |
 Zoya VasilkovaZoya Nikolaevna, Valya's and Andrey's mother | Zoya Nikolaevna, Valya's and Andrey's mother |
 Valentina BerezutskayaMaria Ivanovna, nurse | Maria Ivanovna, nurse |
 Natalya ZorinaValya | Valya |
| TTatyana Pivovarovaработница ЗАГСа | работница ЗАГСа |
 Vsevolod MassinoNikolay Nikolayevich | Nikolay Nikolayevich |