Volker Arzt

饰：Himself

Hoimar von Ditfurth

饰：Himself - Host

Wibke Bruhns

饰：Self

艾利希·冯·丹尼肯

Erich von Däniken

饰：Self

Gottfried Kramer

饰：Edward Jenner

Harold Benjamin

饰：Self - Wellness Community LA

Robert Sapolsky

饰：Self - Stanford University