Andrei and Tanya love each other, which is why frequent partings are so difficult for them: Andrei is a test pilot, and Tanya works on television, and both are constantly on business trips. They have two sons — twins. For eight years of marriage, they cannot count a total of three when they were together. And yet they are happy...
| Actor | Role |
|---|---|
 Zhanna BolotovaTatyana Rodionova | Tatyana Rodionova |
 Nikolai GubenkoAndrei Rodionov | Andrei Rodionov |
 Pauls ButkevicsArthur Clarke | Arthur Clarke |
| VVictor Soțchi-VoinicescuMurti | Murti |
 Viktor FilippovGusarov | Gusarov |
 Vasiliy ShukshinFedotov | Fedotov |
 Lidiya Fedoseyeva-ShukshinaFedotova | Fedotova |
 Nikolai Kryukovmember of the Soviet delegation on the helicopter tests | member of the Soviet delegation on the helicopter tests |
 Vasyl SymchychSergei Aleksandrovich | Sergei Aleksandrovich |
 Arnis Līcītismember of the American helicopter crew | member of the American helicopter crew |
 Uldis LieldidzsNot listed | Not listed |
| BBob Chuprov-TsymbaNot listed | Not listed |
 Mircea Soțchi-VoinicescuPoddar | Poddar |
 Vilnis BekerisNot listed | Not listed |
 Mikhail Selyutinoperator | operator |
 Valentin ZubkovVasiliy Petrovich | Vasiliy Petrovich |
| IIvan Sharinold hunter | old hunter |
 Svetlana KonovalovaSergei Aleksandrovich's wife | Sergei Aleksandrovich's wife |