Krzysztof Kolberger as Prof. Jan Tarnas

Roman Wilhelmi as Captain Bernard Traven

Ewa Sałacka as Christine

Zbigniew Lesień as Noiret

Leon Niemczyk as Man with Black Glasses

Igor Przegrodzki as Breecher

Zygmunt Bielawski as Morineau

Henryk Bista as Reporter

Bich Lan as Numi

Le Van Taon as Accompanist Monk

Thinh Trinh as Official

Tu Tuan as Monk #1

Tam Minh as Monk #2

Huu Hien as Monk #3

Sergei Desnitsky as Andriej Buturlin

Tõnu Saar as Saar

Margus Tuuling as Police Chief in Paris

Mikk Mikiver as Director of Organization

Ain Jürisson as Guard in Laboratory (uncredited)

Marek Piestrak as Pilot #1 (uncredited)

Guido Kangur as Pilot #2 (uncredited)