On screen
Cast
18 credited performers
Zhanna Bolotova
Tatyana Rodionova
Nikolai Gubenko
Andrei Rodionov
Pauls Butkevics
Arthur Clarke
Artwork unavailable
Victor Soțchi-Voinicescu
Murti
Viktor Filippov
Gusarov
Vasiliy Shukshin
Fedotov
Lidiya Fedoseyeva-Shukshina
Fedotova
Nikolai Kryukov
member of the Soviet delegation on the helicopter tests
Vasyl Symchych
Sergei Aleksandrovich
Arnis Līcītis
member of the American helicopter crew
Uldis Lieldidzs
Character not listed
Artwork unavailable
Bob Chuprov-Tsymba
Character not listed
Mircea Soțchi-Voinicescu
Poddar
Vilnis Bekeris
Character not listed
Mikhail Selyutin
operator
Valentin Zubkov
Vasiliy Petrovich
Artwork unavailable
Ivan Sharin
old hunter
Svetlana Konovalova
Sergei Aleksandrovich's wife