Cast
Natalya Bondarchuk
Hari
Donatas Banionis
Kris Kelvin
Jüri Järvet
Dr. Snaut
Vladislav Dvorzhetsky
Henri Berton
Nikolay Grinko
Kelvin's Father
Anatoliy Solonitsyn
Dr. Sartorius
Olga Barnet
Kelvin's Mother
Vitalik Kerdimun
Henri Berton's Son
Olga Kizilova
Guest of Dr. Gibarian
Tatyana Malykh
Kris Kelvin's Niece
Aleksandr Misharin
Shanahan, Chairman of the Anri Berton Commission
Bagrat Oganesyan
Professor Tarkhe
Tamara Ogorodnikova
Anna
Sos Sargsyan
Dr. Gibarian
Yulian Semyonov
Chairman of the Scientific Conference
