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

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

Yuriy Chernov

plainclothes policeman

Evgeniy Redko

Ygrek's former colleague

Anatoliy Mambetov

bald cook, moonlighting as a nurse and a welder

Yuriy Dumchev

fat man in a diner, "racketeer"