安纳托里·索洛尼岑

AnatoliAlexeyevich Solonitsyn

饰：Dr. Sartorius

多纳塔斯•巴尼奥尼斯

Donatas Banionis

饰：里斯·凯尔文 Kris Kelvin

纳塔莉亚·邦达尔丘克

Natalya Bondarchuk

饰：哈莉 Hari

弗拉迪斯拉夫·迪沃哲斯基

Vladislav Dvorzhetsky

饰：亨利·伯顿 Berton

索斯·萨尔格相

Sos Sargsyan

饰：巴瑞安博士 Dr. Gibarian (as S. Sarkisyan)

Olga Kizilova

饰：Gibarian's Guest (as O. Kizilova)

塔玛拉·奥戈罗德尼科娃

Тамара Огородникова

饰：Aunt Anna

尤里·贾维特

Jüri Järvet

饰：Dr. Snaut

欧嘉·巴内特

Olga Barnet

饰：Mother (as O. Barnet)

Vitalik Kerdimun

饰：(as V. Kerdimun)

Tatyana Malykh

饰：Plemyannitsa Krisa Kelvina,(as T. Malykh)

亚历山大·米沙林

Aleksandr Misharin

饰：(as A. Misharin)

Bagrat Oganesyan

饰：(as B. Oganesyan)

尤利安·谢苗诺夫

Yulian Semyonov

饰：Chairman at Scientific Conference (as Yu. Semyonov)

V. Statsinsky

Valentina Sumenova

饰：(as V. Sumenova)

格奥尔基·泰赫

Georgi Tejkh

饰：Prof. Messenger (as G. Tejkh)

Raimundas Banionis

饰：Kris Kelvin in his middle teen-age (uncredited)

尼古拉·格林科

Nikolai Grinko

Tamara Ogorodnikova

饰：Anna, tetka Krisa Kelvina

Mikhail Averin

饰：Predsedatel nauchnoy konferentsii,(as Yu. Semyonov)