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