Aleksandr Solovyov
"Ygrek", aka Kostya
Emmanuil Vitorgan
John Vasilyevich Brockhaus, former theater actor
Larisa Kuznetsova
nurse Galya
Aleksandr Fatyushin
Professor, head physician of a mental hospital
Gotlib Roninson
old doctor
Yulyen Balmusov
KGB chief
Sergei Agapitov
Chirik, a squeaky alcoholic
Sergey Rubeko
orderly
Lyudmila Gnilova
Nurse Barbara
Sergey Serov
Zabelin, a man with "voices in his head"
Konstantin Grigorev
"Miklukho-Maclay", schizophrenic
Nina Ruslanova
saleswoman in a grocery store
Vladimir Anisko
Gennady Stepanovich, director of a grocery store
Yuriy Chernov
plainclothes policeman
Evgeniy Redko
Ygrek's former colleague
Oleg Shchetinin
a general attacked by a hypnotized policeman
Maria Burkova
Tamara, the brunette in the restaurant
Elena Galibina
blonde in a restaurant
Valeri Kislenko
military
Anatoliy Mambetov
bald cook, moonlighting as a nurse and a welder
Elena Skorokhodova
prostitute
Yuriy Dumchev
fat man in a diner, "racketeer"