Задача с тремя неизвестными

Leonhard Merzin

Andrey Dorokhov - starshyy sledovatel ugolovnogo rozyska

Vladimir Gerasimov

Matushkin - leytenant militsii

Olga Prokhorova

Valentina Prilepskaya - sozhitelnitsa Kopylova

Rostislav Yankovsky

Anton Belov

Boris Shcherbakov

Boris Kopylov

Viktor Proskurin

Gennadiy Potapov

Yuri Astafyev

Nikolay Makeyev

Tamara Chernova

Shustova - mama Olega

Aleksandr Vergunov

Oleg Shustov

Mikhail Petrov

Zenkovich - taksist

Galina Makarova

Nadya - domrabotnitsa professora Jakobsona

Vera Titova

Vera Yatsevich - kassir

Nadezhda Sementsova

Vera Petrovna - expert-kriminalist

Boris Vladomirsky

Kostya - voditel-okhrannik

Pavel Vinnik

Kapitan militsii - kollega Dorokhova