A Mystery Known to All
Children from in a summer camp decided to invite a group of famous actors to visit them.
- Country : Soviet Union
- Genre : Music, Family, Comedy
- Director : Mykola Zasieiev-Rudenko
- Cast : Yulya Zhivotvorova, Yuri Prokhoda, Nadezhda Rumyantseva, Nikolay Grinko, Zinovi Vysokovsky, Valeriy Nosik