The Key That Should Not Be Handed On
| MPAA Rating: | NR |
| Genre: | Drama, Romance |
| Directed By: | Dinara Asanova |
| Written By: | Georgi Polonsky |
| Cast: | Aleksey Petrenko, Yelena Arzhanik, Sergei Volkov, German Lupekin, Liliya Gritsenko, Elena Proklova, Aleksandr Goldsteyn, Irina Obolskaya, Oleg Khromenkov, Lyubov Tishchenko, Anvar Asanov, Lyubov Malinovskaya, Lidiya Fedoseeva-Shukshina, Elena Popova, Geliy Sysoev, Marina Levtova, A. Rakhov, Yekaterina Vasilyeva, Andrey Lavrikov, Aleksandr Bogdanov, Konstantin Nikolayev, Elena Tsyplakova, Zinoviy Gerdt |
| In Theaters: | May 10, 1977 |
| Runtime: | 1 hour 35 minutes |
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