理查德·卡恩

Richard Karn

饰：Self - host

Matthew Golombek

饰：Self - Mars Pathfinder Project

比尔·克林顿

Bill Clinton

饰：Self,(archive footage)

Rudolf Gantenbrink

饰：Self - robotics engineer

Neil Steede

饰：Self - Meso-American archeologist

艾利希·冯·丹尼肯

Erich von Däniken

饰：Self

Graham Hancock

饰：Self - author