On screen
Cast
18 credited performers
Natalya Bondarchuk
Hari
Donatas Banionis
Kris Kelvin
Jüri Järvet
Dr. Snaut
Vladislav Dvorzhetsky
Henri Berton
Mykola Hrynko
Kelvin's Father
Anatoliy Solonitsyn
Dr. Sartorius
Olga Barnet
Kelvin's Mother
Artwork unavailable
Vitalik Kerdimun
Henri Berton's Son
Artwork unavailable
Olga Kizilova
Guest of Dr. Gibarian
Artwork unavailable
Tatyana Malykh
Kris Kelvin's Niece
Aleksandr Misharin
Shanahan, Chairman of the Anri Berton Commission
Artwork unavailable
Bagrat Oganesyan
Professor Tarkhe
Tamara Ogorodnikova
Anna
Sos Sargsyan
Dr. Gibarian
Yulian Semyonov
Chairman of the Scientific Conference
Artwork unavailable
Vitaliy Statsinskiy
Member of the Academic Council
Artwork unavailable
Vera Sumenova
Character not listed
Georgiy Teykh
Prof. Messenger