Brother and sister Danya and Valya move with their mother to a northern seaside town and immediately become participants in an exciting but dangerous adventure.
Cast
Nikolai Volkov St.
Foma Konovalov
Inna Zhuravel
Glafira
Aleksey Zaytsev
Pasha Zhgutov
Tanya Demushkina
Valya
Yura Bondarenko
Danya
Yura Leshov
Grandson Foma Konovalov
Valeri Yurchenko
Stepan Novoselov
Raisa Kurkina
Natalya Yevgeniyevna
Sergey Bobrov
Skornyakov
Ivan Voronov
Foreign Ship Captain
Yelena Maksimova
Marya Stepanovna
Pyotr Savin
Pyotr Mikhaylovich
Ivan Zhevago
Foreign Ship Skipper
P. Makarov
Radio Operator
