Das Rätsel von Tunguska

Amartscha

Self

Mark Boslough

Self

Christoph Brenneisen

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Valentina Bykova

Self

Luca Gasperini

Self

Leonid Alekseyevich Kulik

Self (archive footage)

Wolfgang Kundt

Self

Juri Lawbin

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Giuseppe Longo

Self

Benny Peiser

Self

Gottlieb Polzer

Self

Wasilij Wlasow

Self