
The dentist of the provincial town of Upper Yamki made an unexpected scientific discovery by finding the thirty-third tooth in the patient’s oral cavity, Ivan Sergeyevich Travkin. Travkin, exhausted from pain, was taken to Moscow. Ivan Sergeyevich first becomes a patient of a madhouse (thanks to envious persons), and then — a hero of a scientific international conference and, finally, a patient of a dentist professor Bruk.

as Ivan Sergeyevich Travkin

as Galina Petrovna Pristyazhnyuk

as Roza Lyubashkina

as Lyuba Travkina

as Frosya

as Misha

as Arkadiy Borisovich Sheremetyev

as Prokhorov

as Igor Bezrodnyy

as Rodion Khomutov

as Anatoliy Petrovich Ivanov

as Vasiliy Lyubashkin

as Mitrich

as director of the regional museum

as professor Bruk

as Travkin's son

as Travkin's son

as dentist

as medical orderly

as Gorina

as maid

as professor of dentistry

as Valentin Petrovich, Roza's father

as commission member

as medical orderly

as assistant director on television

as psychiatrist

as Nina Svetlova, TV presenter

as taxi driver

as psychiatrist

as medical orderly

as Viktor Viktorovich

as head doctor of a mental hospital (uncredited)

as Bruk's assistant (uncredited)

as Reporter na stadione